2643680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 96

約数和(自身を含む): 7112448

約数和(自身を除く): 4468768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 41, 52, 62, 65, 80, 82, 104, 124, 130, 155, 160, 164, 205, 208, 248, 260, 310, 328, 403, 410, 416, 496, 520, 533, 620, 656, 806, 820, 992, 1040, 1066, 1240, 1271, 1312, 1612, 1640, 2015, 2080, 2132, 2480, 2542, 2665, 3224, 3280, 4030, 4264, 4960, 5084, 5330, 6355, 6448, 6560, 8060, 8528, 10168, 10660, 12710, 12896, 16120, 16523, 17056, 20336, 21320, 25420, 32240, 33046, 40672, 42640, 50840, 64480, 66092, 82615, 85280, 101680, 132184, 165230, 203360, 264368, 330460, 528736, 660920, 1321840, 2643680]

約数ペア:

[(1, 2643680), (2, 1321840), (4, 660920), (5, 528736), (8, 330460), (10, 264368), (13, 203360), (16, 165230), (20, 132184), (26, 101680), (31, 85280), (32, 82615), (40, 66092), (41, 64480), (52, 50840), (62, 42640), (65, 40672), (80, 33046), (82, 32240), (104, 25420), (124, 21320), (130, 20336), (155, 17056), (160, 16523), (164, 16120), (205, 12896), (208, 12710), (248, 10660), (260, 10168), (310, 8528), (328, 8060), (403, 6560), (410, 6448), (416, 6355), (496, 5330), (520, 5084), (533, 4960), (620, 4264), (656, 4030), (806, 3280), (820, 3224), (992, 2665), (1040, 2542), (1066, 2480), (1240, 2132), (1271, 2080), (1312, 2015), (1612, 1640)]