40403168

素因数分解:

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

素因数の和:308

約数の個数: 72

約数和(自身を含む): 89280576

約数和(自身を除く): 48877408

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 241, 248, 338, 403, 416, 482, 496, 676, 806, 964, 992, 1352, 1612, 1928, 2704, 3133, 3224, 3856, 5239, 5408, 6266, 6448, 7471, 7712, 10478, 12532, 12896, 14942, 20956, 25064, 29884, 40729, 41912, 50128, 59768, 81458, 83824, 97123, 100256, 119536, 162916, 167648, 194246, 239072, 325832, 388492, 651664, 776984, 1262599, 1303328, 1553968, 2525198, 3107936, 5050396, 10100792, 20201584, 40403168]

約数ペア:

[(1, 40403168), (2, 20201584), (4, 10100792), (8, 5050396), (13, 3107936), (16, 2525198), (26, 1553968), (31, 1303328), (32, 1262599), (52, 776984), (62, 651664), (104, 388492), (124, 325832), (169, 239072), (208, 194246), (241, 167648), (248, 162916), (338, 119536), (403, 100256), (416, 97123), (482, 83824), (496, 81458), (676, 59768), (806, 50128), (964, 41912), (992, 40729), (1352, 29884), (1612, 25064), (1928, 20956), (2704, 14942), (3133, 12896), (3224, 12532), (3856, 10478), (5239, 7712), (5408, 7471), (6266, 6448)]