40921265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 61703424

約数和(自身を除く): 20782159

約数列:

[1, 5, 7, 11, 35, 55, 77, 157, 385, 677, 785, 1099, 1727, 3385, 4739, 5495, 7447, 8635, 12089, 23695, 37235, 52129, 60445, 106289, 260645, 531445, 744023, 1169179, 3720115, 5845895, 8184253, 40921265]

約数ペア:

[(1, 40921265), (5, 8184253), (7, 5845895), (11, 3720115), (35, 1169179), (55, 744023), (77, 531445), (157, 260645), (385, 106289), (677, 60445), (785, 52129), (1099, 37235), (1727, 23695), (3385, 12089), (4739, 8635), (5495, 7447)]