39547780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2837}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 90112176

約数和(自身を除く): 50564396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 2837, 3485, 5674, 6970, 11348, 13940, 14185, 28370, 48229, 56740, 96458, 116317, 192916, 232634, 241145, 465268, 482290, 581585, 964580, 1163170, 1977389, 2326340, 3954778, 7909556, 9886945, 19773890, 39547780]

約数ペア:

[(1, 39547780), (2, 19773890), (4, 9886945), (5, 7909556), (10, 3954778), (17, 2326340), (20, 1977389), (34, 1163170), (41, 964580), (68, 581585), (82, 482290), (85, 465268), (164, 241145), (170, 232634), (205, 192916), (340, 116317), (410, 96458), (697, 56740), (820, 48229), (1394, 28370), (2788, 14185), (2837, 13940), (3485, 11348), (5674, 6970)]