84778880

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1111

約数の個数: 64

約数和(自身を含む): 204346800

約数和(自身を除く): 119567920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 953, 1112, 1390, 1906, 2224, 2780, 3812, 4448, 4765, 5560, 7624, 8896, 9530, 11120, 15248, 17792, 19060, 22240, 30496, 38120, 44480, 60992, 76240, 88960, 121984, 132467, 152480, 264934, 304960, 529868, 609920, 662335, 1059736, 1324670, 2119472, 2649340, 4238944, 5298680, 8477888, 10597360, 16955776, 21194720, 42389440, 84778880]

約数ペア:

[(1, 84778880), (2, 42389440), (4, 21194720), (5, 16955776), (8, 10597360), (10, 8477888), (16, 5298680), (20, 4238944), (32, 2649340), (40, 2119472), (64, 1324670), (80, 1059736), (128, 662335), (139, 609920), (160, 529868), (278, 304960), (320, 264934), (556, 152480), (640, 132467), (695, 121984), (953, 88960), (1112, 76240), (1390, 60992), (1906, 44480), (2224, 38120), (2780, 30496), (3812, 22240), (4448, 19060), (4765, 17792), (5560, 15248), (7624, 11120), (8896, 9530)]