8886306860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{87931}}^1$

素因数の和:88134

約数の個数: 48

約数和(自身を含む): 19381619712

約数和(自身を除く): 10495312852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 1630, 3260, 5053, 10106, 20212, 25265, 50530, 87931, 101060, 175862, 351724, 439655, 879310, 1758620, 2725861, 5451722, 10903444, 13629305, 14332753, 27258610, 28665506, 54517220, 57331012, 71663765, 143327530, 286655060, 444315343, 888630686, 1777261372, 2221576715, 4443153430, 8886306860]

約数ペア:

[(1, 8886306860), (2, 4443153430), (4, 2221576715), (5, 1777261372), (10, 888630686), (20, 444315343), (31, 286655060), (62, 143327530), (124, 71663765), (155, 57331012), (163, 54517220), (310, 28665506), (326, 27258610), (620, 14332753), (652, 13629305), (815, 10903444), (1630, 5451722), (3260, 2725861), (5053, 1758620), (10106, 879310), (20212, 439655), (25265, 351724), (50530, 175862), (87931, 101060)]