20125544720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1\times {\mathrm{3677}}^1$

素因数の和:5928

約数の個数: 80

約数和(自身を含む): 48336334848

約数和(自身を除く): 28210790128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2207, 2480, 3677, 4414, 7354, 8828, 11035, 14708, 17656, 18385, 22070, 29416, 35312, 36770, 44140, 58832, 68417, 73540, 88280, 113987, 136834, 147080, 176560, 227974, 273668, 294160, 342085, 455948, 547336, 569935, 684170, 911896, 1094672, 1139870, 1368340, 1823792, 2279740, 2736680, 4559480, 5473360, 8115139, 9118960, 16230278, 32460556, 40575695, 64921112, 81151390, 129842224, 162302780, 251569309, 324605560, 503138618, 649211120, 1006277236, 1257846545, 2012554472, 2515693090, 4025108944, 5031386180, 10062772360, 20125544720]

約数ペア:

[(1, 20125544720), (2, 10062772360), (4, 5031386180), (5, 4025108944), (8, 2515693090), (10, 2012554472), (16, 1257846545), (20, 1006277236), (31, 649211120), (40, 503138618), (62, 324605560), (80, 251569309), (124, 162302780), (155, 129842224), (248, 81151390), (310, 64921112), (496, 40575695), (620, 32460556), (1240, 16230278), (2207, 9118960), (2480, 8115139), (3677, 5473360), (4414, 4559480), (7354, 2736680), (8828, 2279740), (11035, 1823792), (14708, 1368340), (17656, 1139870), (18385, 1094672), (22070, 911896), (29416, 684170), (35312, 569935), (36770, 547336), (44140, 455948), (58832, 342085), (68417, 294160), (73540, 273668), (88280, 227974), (113987, 176560), (136834, 147080)]