2015513420

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 4262045088

約数和(自身を除く): 2246531668

約数列:

[1, 2, 4, 5, 10, 20, 313, 397, 626, 794, 811, 1252, 1565, 1588, 1622, 1985, 3130, 3244, 3970, 4055, 6260, 7940, 8110, 16220, 124261, 248522, 253843, 321967, 497044, 507686, 621305, 643934, 1015372, 1242610, 1269215, 1287868, 1609835, 2485220, 2538430, 3219670, 5076860, 6439340, 100775671, 201551342, 403102684, 503878355, 1007756710, 2015513420]

約数ペア:

[(1, 2015513420), (2, 1007756710), (4, 503878355), (5, 403102684), (10, 201551342), (20, 100775671), (313, 6439340), (397, 5076860), (626, 3219670), (794, 2538430), (811, 2485220), (1252, 1609835), (1565, 1287868), (1588, 1269215), (1622, 1242610), (1985, 1015372), (3130, 643934), (3244, 621305), (3970, 507686), (4055, 497044), (6260, 321967), (7940, 253843), (8110, 248522), (16220, 124261)]