40675808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 85050000

約数和(自身を除く): 44374192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 149, 152, 298, 304, 449, 596, 608, 898, 1192, 1796, 2384, 2831, 3592, 4768, 5662, 7184, 8531, 11324, 14368, 17062, 22648, 34124, 45296, 66901, 68248, 90592, 133802, 136496, 267604, 272992, 535208, 1070416, 1271119, 2140832, 2542238, 5084476, 10168952, 20337904, 40675808]

約数ペア:

[(1, 40675808), (2, 20337904), (4, 10168952), (8, 5084476), (16, 2542238), (19, 2140832), (32, 1271119), (38, 1070416), (76, 535208), (149, 272992), (152, 267604), (298, 136496), (304, 133802), (449, 90592), (596, 68248), (608, 66901), (898, 45296), (1192, 34124), (1796, 22648), (2384, 17062), (2831, 14368), (3592, 11324), (4768, 8531), (5662, 7184)]