40721275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 62575360

約数和(自身を除く): 21854085

約数列:

[1, 5, 7, 19, 25, 35, 37, 95, 133, 175, 185, 259, 331, 475, 665, 703, 925, 1295, 1655, 2317, 3325, 3515, 4921, 6289, 6475, 8275, 11585, 12247, 17575, 24605, 31445, 44023, 57925, 61235, 85729, 123025, 157225, 220115, 232693, 306175, 428645, 1100575, 1163465, 1628851, 2143225, 5817325, 8144255, 40721275]

約数ペア:

[(1, 40721275), (5, 8144255), (7, 5817325), (19, 2143225), (25, 1628851), (35, 1163465), (37, 1100575), (95, 428645), (133, 306175), (175, 232693), (185, 220115), (259, 157225), (331, 123025), (475, 85729), (665, 61235), (703, 57925), (925, 44023), (1295, 31445), (1655, 24605), (2317, 17575), (3325, 12247), (3515, 11585), (4921, 8275), (6289, 6475)]