39789520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1721}}^1$

素因数の和:1768

約数の個数: 60

約数和(自身を含む): 98329644

約数和(自身を除く): 58540124

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 1721, 2312, 2890, 3442, 4624, 5780, 6884, 8605, 11560, 13768, 17210, 23120, 27536, 29257, 34420, 58514, 68840, 117028, 137680, 146285, 234056, 292570, 468112, 497369, 585140, 994738, 1170280, 1989476, 2340560, 2486845, 3978952, 4973690, 7957904, 9947380, 19894760, 39789520]

約数ペア:

[(1, 39789520), (2, 19894760), (4, 9947380), (5, 7957904), (8, 4973690), (10, 3978952), (16, 2486845), (17, 2340560), (20, 1989476), (34, 1170280), (40, 994738), (68, 585140), (80, 497369), (85, 468112), (136, 292570), (170, 234056), (272, 146285), (289, 137680), (340, 117028), (578, 68840), (680, 58514), (1156, 34420), (1360, 29257), (1445, 27536), (1721, 23120), (2312, 17210), (2890, 13768), (3442, 11560), (4624, 8605), (5780, 6884)]