202015840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 535683456

約数和(自身を除く): 333667616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 208, 241, 248, 260, 310, 338, 403, 416, 482, 496, 520, 620, 676, 806, 845, 964, 992, 1040, 1205, 1240, 1352, 1612, 1690, 1928, 2015, 2080, 2410, 2480, 2704, 3133, 3224, 3380, 3856, 4030, 4820, 4960, 5239, 5408, 6266, 6448, 6760, 7471, 7712, 8060, 9640, 10478, 12532, 12896, 13520, 14942, 15665, 16120, 19280, 20956, 25064, 26195, 27040, 29884, 31330, 32240, 37355, 38560, 40729, 41912, 50128, 52390, 59768, 62660, 64480, 74710, 81458, 83824, 97123, 100256, 104780, 119536, 125320, 149420, 162916, 167648, 194246, 203645, 209560, 239072, 250640, 298840, 325832, 388492, 407290, 419120, 485615, 501280, 597680, 651664, 776984, 814580, 838240, 971230, 1195360, 1262599, 1303328, 1553968, 1629160, 1942460, 2525198, 3107936, 3258320, 3884920, 5050396, 6312995, 6516640, 7769840, 10100792, 12625990, 15539680, 20201584, 25251980, 40403168, 50503960, 101007920, 202015840]

約数ペア:

[(1, 202015840), (2, 101007920), (4, 50503960), (5, 40403168), (8, 25251980), (10, 20201584), (13, 15539680), (16, 12625990), (20, 10100792), (26, 7769840), (31, 6516640), (32, 6312995), (40, 5050396), (52, 3884920), (62, 3258320), (65, 3107936), (80, 2525198), (104, 1942460), (124, 1629160), (130, 1553968), (155, 1303328), (160, 1262599), (169, 1195360), (208, 971230), (241, 838240), (248, 814580), (260, 776984), (310, 651664), (338, 597680), (403, 501280), (416, 485615), (482, 419120), (496, 407290), (520, 388492), (620, 325832), (676, 298840), (806, 250640), (845, 239072), (964, 209560), (992, 203645), (1040, 194246), (1205, 167648), (1240, 162916), (1352, 149420), (1612, 125320), (1690, 119536), (1928, 104780), (2015, 100256), (2080, 97123), (2410, 83824), (2480, 81458), (2704, 74710), (3133, 64480), (3224, 62660), (3380, 59768), (3856, 52390), (4030, 50128), (4820, 41912), (4960, 40729), (5239, 38560), (5408, 37355), (6266, 32240), (6448, 31330), (6760, 29884), (7471, 27040), (7712, 26195), (8060, 25064), (9640, 20956), (10478, 19280), (12532, 16120), (12896, 15665), (13520, 14942)]