66777620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{36691}}^1$

素因数の和:36720

約数の個数: 48

約数和(自身を含む): 172599168

約数和(自身を除く): 105821548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 36691, 73382, 146764, 183455, 256837, 366910, 476983, 513674, 733820, 953966, 1027348, 1284185, 1907932, 2384915, 2568370, 3338881, 4769830, 5136740, 6677762, 9539660, 13355524, 16694405, 33388810, 66777620]

約数ペア:

[(1, 66777620), (2, 33388810), (4, 16694405), (5, 13355524), (7, 9539660), (10, 6677762), (13, 5136740), (14, 4769830), (20, 3338881), (26, 2568370), (28, 2384915), (35, 1907932), (52, 1284185), (65, 1027348), (70, 953966), (91, 733820), (130, 513674), (140, 476983), (182, 366910), (260, 256837), (364, 183455), (455, 146764), (910, 73382), (1820, 36691)]