12818240

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 56

約数和(自身を含む): 31299912

約数和(自身を除く): 18481672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 977, 1312, 1640, 1954, 2624, 3280, 3908, 4885, 6560, 7816, 9770, 13120, 15632, 19540, 31264, 39080, 40057, 62528, 78160, 80114, 156320, 160228, 200285, 312640, 320456, 400570, 640912, 801140, 1281824, 1602280, 2563648, 3204560, 6409120, 12818240]

約数ペア:

[(1, 12818240), (2, 6409120), (4, 3204560), (5, 2563648), (8, 1602280), (10, 1281824), (16, 801140), (20, 640912), (32, 400570), (40, 320456), (41, 312640), (64, 200285), (80, 160228), (82, 156320), (160, 80114), (164, 78160), (205, 62528), (320, 40057), (328, 39080), (410, 31264), (656, 19540), (820, 15632), (977, 13120), (1312, 9770), (1640, 7816), (1954, 6560), (2624, 4885), (3280, 3908)]