1773997640

素因数分解:

$2^3\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{16921}}^1$

素因数の和:19553

約数の個数: 32

約数和(自身を含む): 3993253560

約数和(自身を除く): 2219255920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2621, 5242, 10484, 13105, 16921, 20968, 26210, 33842, 52420, 67684, 84605, 104840, 135368, 169210, 338420, 676840, 44349941, 88699882, 177399764, 221749705, 354799528, 443499410, 886998820, 1773997640]

約数ペア:

[(1, 1773997640), (2, 886998820), (4, 443499410), (5, 354799528), (8, 221749705), (10, 177399764), (20, 88699882), (40, 44349941), (2621, 676840), (5242, 338420), (10484, 169210), (13105, 135368), (16921, 104840), (20968, 84605), (26210, 67684), (33842, 52420)]