12985960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 33796440

約数和(自身を除く): 20810480

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 113, 130, 136, 169, 170, 221, 226, 260, 338, 340, 442, 452, 520, 565, 676, 680, 845, 884, 904, 1105, 1130, 1352, 1469, 1690, 1768, 1921, 2210, 2260, 2873, 2938, 3380, 3842, 4420, 4520, 5746, 5876, 6760, 7345, 7684, 8840, 9605, 11492, 11752, 14365, 14690, 15368, 19097, 19210, 22984, 24973, 28730, 29380, 38194, 38420, 49946, 57460, 58760, 76388, 76840, 95485, 99892, 114920, 124865, 152776, 190970, 199784, 249730, 324649, 381940, 499460, 649298, 763880, 998920, 1298596, 1623245, 2597192, 3246490, 6492980, 12985960]

約数ペア:

[(1, 12985960), (2, 6492980), (4, 3246490), (5, 2597192), (8, 1623245), (10, 1298596), (13, 998920), (17, 763880), (20, 649298), (26, 499460), (34, 381940), (40, 324649), (52, 249730), (65, 199784), (68, 190970), (85, 152776), (104, 124865), (113, 114920), (130, 99892), (136, 95485), (169, 76840), (170, 76388), (221, 58760), (226, 57460), (260, 49946), (338, 38420), (340, 38194), (442, 29380), (452, 28730), (520, 24973), (565, 22984), (676, 19210), (680, 19097), (845, 15368), (884, 14690), (904, 14365), (1105, 11752), (1130, 11492), (1352, 9605), (1469, 8840), (1690, 7684), (1768, 7345), (1921, 6760), (2210, 5876), (2260, 5746), (2873, 4520), (2938, 4420), (3380, 3842)]