20131242320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5135521}}^1$

素因数の和:5135548

約数の個数: 60

約数和(自身を含む): 54446804244

約数和(自身を除く): 34315561924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5135521, 10271042, 20542084, 25677605, 35948647, 41084168, 51355210, 71897294, 82168336, 102710420, 143794588, 179743235, 205420840, 251640529, 287589176, 359486470, 410841680, 503281058, 575178352, 718972940, 1006562116, 1258202645, 1437945880, 2013124232, 2516405290, 2875891760, 4026248464, 5032810580, 10065621160, 20131242320]

約数ペア:

[(1, 20131242320), (2, 10065621160), (4, 5032810580), (5, 4026248464), (7, 2875891760), (8, 2516405290), (10, 2013124232), (14, 1437945880), (16, 1258202645), (20, 1006562116), (28, 718972940), (35, 575178352), (40, 503281058), (49, 410841680), (56, 359486470), (70, 287589176), (80, 251640529), (98, 205420840), (112, 179743235), (140, 143794588), (196, 102710420), (245, 82168336), (280, 71897294), (392, 51355210), (490, 41084168), (560, 35948647), (784, 25677605), (980, 20542084), (1960, 10271042), (3920, 5135521)]