8651860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 21490560

約数和(自身を除く): 12838700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2131, 4060, 4262, 8524, 10655, 14917, 21310, 29834, 42620, 59668, 61799, 74585, 123598, 149170, 247196, 298340, 308995, 432593, 617990, 865186, 1235980, 1730372, 2162965, 4325930, 8651860]

約数ペア:

[(1, 8651860), (2, 4325930), (4, 2162965), (5, 1730372), (7, 1235980), (10, 865186), (14, 617990), (20, 432593), (28, 308995), (29, 298340), (35, 247196), (58, 149170), (70, 123598), (116, 74585), (140, 61799), (145, 59668), (203, 42620), (290, 29834), (406, 21310), (580, 14917), (812, 10655), (1015, 8524), (2030, 4262), (2131, 4060)]