15807220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5527}}^1$

素因数の和:5560

約数の個数: 48

約数和(自身を含む): 39005568

約数和(自身を除く): 23198348

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 5527, 11054, 22108, 27635, 55270, 60797, 71851, 110540, 121594, 143702, 243188, 287404, 303985, 359255, 607970, 718510, 790361, 1215940, 1437020, 1580722, 3161444, 3951805, 7903610, 15807220]

約数ペア:

[(1, 15807220), (2, 7903610), (4, 3951805), (5, 3161444), (10, 1580722), (11, 1437020), (13, 1215940), (20, 790361), (22, 718510), (26, 607970), (44, 359255), (52, 303985), (55, 287404), (65, 243188), (110, 143702), (130, 121594), (143, 110540), (220, 71851), (260, 60797), (286, 55270), (572, 27635), (715, 22108), (1430, 11054), (2860, 5527)]