66779480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{35521}}^1$

素因数の和:35579

約数の個数: 32

約数和(自身を含む): 153455040

約数和(自身を除く): 86675560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 35521, 71042, 142084, 177605, 284168, 355210, 710420, 1420840, 1669487, 3338974, 6677948, 8347435, 13355896, 16694870, 33389740, 66779480]

約数ペア:

[(1, 66779480), (2, 33389740), (4, 16694870), (5, 13355896), (8, 8347435), (10, 6677948), (20, 3338974), (40, 1669487), (47, 1420840), (94, 710420), (188, 355210), (235, 284168), (376, 177605), (470, 142084), (940, 71042), (1880, 35521)]