15965620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2341}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 37771776

約数和(自身を除く): 21806156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2341, 3410, 4682, 6820, 9364, 11705, 23410, 25751, 46820, 51502, 72571, 103004, 128755, 145142, 257510, 290284, 362855, 515020, 725710, 798281, 1451420, 1596562, 3193124, 3991405, 7982810, 15965620]

約数ペア:

[(1, 15965620), (2, 7982810), (4, 3991405), (5, 3193124), (10, 1596562), (11, 1451420), (20, 798281), (22, 725710), (31, 515020), (44, 362855), (55, 290284), (62, 257510), (110, 145142), (124, 128755), (155, 103004), (220, 72571), (310, 51502), (341, 46820), (620, 25751), (682, 23410), (1364, 11705), (1705, 9364), (2341, 6820), (3410, 4682)]