40509820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4211}}^1$

素因数の和:4270

約数の個数: 48

約数和(自身を含む): 94112928

約数和(自身を除く): 53603108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4211, 4810, 8422, 9620, 16844, 21055, 42110, 54743, 84220, 109486, 155807, 218972, 273715, 311614, 547430, 623228, 779035, 1094860, 1558070, 2025491, 3116140, 4050982, 8101964, 10127455, 20254910, 40509820]

約数ペア:

[(1, 40509820), (2, 20254910), (4, 10127455), (5, 8101964), (10, 4050982), (13, 3116140), (20, 2025491), (26, 1558070), (37, 1094860), (52, 779035), (65, 623228), (74, 547430), (130, 311614), (148, 273715), (185, 218972), (260, 155807), (370, 109486), (481, 84220), (740, 54743), (962, 42110), (1924, 21055), (2405, 16844), (4211, 9620), (4810, 8422)]