42456580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 93623040

約数和(自身を除く): 51166460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1031, 1420, 2059, 2062, 4118, 4124, 5155, 8236, 10295, 10310, 20590, 20620, 29899, 41180, 59798, 73201, 119596, 146402, 149495, 292804, 298990, 366005, 597980, 732010, 1464020, 2122829, 4245658, 8491316, 10614145, 21228290, 42456580]

約数ペア:

[(1, 42456580), (2, 21228290), (4, 10614145), (5, 8491316), (10, 4245658), (20, 2122829), (29, 1464020), (58, 732010), (71, 597980), (116, 366005), (142, 298990), (145, 292804), (284, 149495), (290, 146402), (355, 119596), (580, 73201), (710, 59798), (1031, 41180), (1420, 29899), (2059, 20620), (2062, 20590), (4118, 10310), (4124, 10295), (5155, 8236)]