40358140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 88452000

約数和(自身を除く): 48093860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 467, 580, 596, 745, 934, 1490, 1868, 2335, 2980, 4321, 4670, 8642, 9340, 13543, 17284, 21605, 27086, 43210, 54172, 67715, 69583, 86420, 135430, 139166, 270860, 278332, 347915, 695830, 1391660, 2017907, 4035814, 8071628, 10089535, 20179070, 40358140]

約数ペア:

[(1, 40358140), (2, 20179070), (4, 10089535), (5, 8071628), (10, 4035814), (20, 2017907), (29, 1391660), (58, 695830), (116, 347915), (145, 278332), (149, 270860), (290, 139166), (298, 135430), (467, 86420), (580, 69583), (596, 67715), (745, 54172), (934, 43210), (1490, 27086), (1868, 21605), (2335, 17284), (2980, 13543), (4321, 9340), (4670, 8642)]