51502840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1531}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 120093480

約数和(自身を除く): 68590640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1531, 1682, 3062, 3364, 4205, 6124, 6728, 7655, 8410, 12248, 15310, 16820, 30620, 33640, 44399, 61240, 88798, 177596, 221995, 355192, 443990, 887980, 1287571, 1775960, 2575142, 5150284, 6437855, 10300568, 12875710, 25751420, 51502840]

約数ペア:

[(1, 51502840), (2, 25751420), (4, 12875710), (5, 10300568), (8, 6437855), (10, 5150284), (20, 2575142), (29, 1775960), (40, 1287571), (58, 887980), (116, 443990), (145, 355192), (232, 221995), (290, 177596), (580, 88798), (841, 61240), (1160, 44399), (1531, 33640), (1682, 30620), (3062, 16820), (3364, 15310), (4205, 12248), (6124, 8410), (6728, 7655)]