12884560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{953}}^1$

素因数の和:992

約数の個数: 60

約数和(自身を含む): 32472252

約数和(自身を除く): 19587692

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 953, 1040, 1352, 1690, 1906, 2704, 3380, 3812, 4765, 6760, 7624, 9530, 12389, 13520, 15248, 19060, 24778, 38120, 49556, 61945, 76240, 99112, 123890, 161057, 198224, 247780, 322114, 495560, 644228, 805285, 991120, 1288456, 1610570, 2576912, 3221140, 6442280, 12884560]

約数ペア:

[(1, 12884560), (2, 6442280), (4, 3221140), (5, 2576912), (8, 1610570), (10, 1288456), (13, 991120), (16, 805285), (20, 644228), (26, 495560), (40, 322114), (52, 247780), (65, 198224), (80, 161057), (104, 123890), (130, 99112), (169, 76240), (208, 61945), (260, 49556), (338, 38120), (520, 24778), (676, 19060), (845, 15248), (953, 13520), (1040, 12389), (1352, 9530), (1690, 7624), (1906, 6760), (2704, 4765), (3380, 3812)]