20125070980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3719}}^1\times {\mathrm{38653}}^1$

素因数の和:42388

約数の個数: 48

約数和(自身を含む): 48314407680

約数和(自身を除く): 28189336700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3719, 7438, 14876, 18595, 26033, 37190, 38653, 52066, 74380, 77306, 104132, 130165, 154612, 193265, 260330, 270571, 386530, 520660, 541142, 773060, 1082284, 1352855, 2705710, 5411420, 143750507, 287501014, 575002028, 718752535, 1006253549, 1437505070, 2012507098, 2875010140, 4025014196, 5031267745, 10062535490, 20125070980]

約数ペア:

[(1, 20125070980), (2, 10062535490), (4, 5031267745), (5, 4025014196), (7, 2875010140), (10, 2012507098), (14, 1437505070), (20, 1006253549), (28, 718752535), (35, 575002028), (70, 287501014), (140, 143750507), (3719, 5411420), (7438, 2705710), (14876, 1352855), (18595, 1082284), (26033, 773060), (37190, 541142), (38653, 520660), (52066, 386530), (74380, 270571), (77306, 260330), (104132, 193265), (130165, 154612)]