25636480

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1037

約数の個数: 64

約数和(自身を含む): 62846280

約数和(自身を除く): 37209800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 977, 1312, 1640, 1954, 2624, 3280, 3908, 4885, 5248, 6560, 7816, 9770, 13120, 15632, 19540, 26240, 31264, 39080, 40057, 62528, 78160, 80114, 125056, 156320, 160228, 200285, 312640, 320456, 400570, 625280, 640912, 801140, 1281824, 1602280, 2563648, 3204560, 5127296, 6409120, 12818240, 25636480]

約数ペア:

[(1, 25636480), (2, 12818240), (4, 6409120), (5, 5127296), (8, 3204560), (10, 2563648), (16, 1602280), (20, 1281824), (32, 801140), (40, 640912), (41, 625280), (64, 400570), (80, 320456), (82, 312640), (128, 200285), (160, 160228), (164, 156320), (205, 125056), (320, 80114), (328, 78160), (410, 62528), (640, 40057), (656, 39080), (820, 31264), (977, 26240), (1312, 19540), (1640, 15632), (1954, 13120), (2624, 9770), (3280, 7816), (3908, 6560), (4885, 5248)]