11712880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3571}}^1$

素因数の和:3625

約数の個数: 40

約数和(自身を含む): 27904464

約数和(自身を除く): 16191584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3571, 7142, 14284, 17855, 28568, 35710, 57136, 71420, 142840, 146411, 285680, 292822, 585644, 732055, 1171288, 1464110, 2342576, 2928220, 5856440, 11712880]

約数ペア:

[(1, 11712880), (2, 5856440), (4, 2928220), (5, 2342576), (8, 1464110), (10, 1171288), (16, 732055), (20, 585644), (40, 292822), (41, 285680), (80, 146411), (82, 142840), (164, 71420), (205, 57136), (328, 35710), (410, 28568), (656, 17855), (820, 14284), (1640, 7142), (3280, 3571)]