84639680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13921}}^1$

素因数の和:13957

約数の個数: 56

約数和(自身を含む): 212171280

約数和(自身を除く): 127531600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 13921, 27842, 55684, 69605, 111368, 139210, 222736, 264499, 278420, 445472, 528998, 556840, 890944, 1057996, 1113680, 1322495, 2115992, 2227360, 2644990, 4231984, 4454720, 5289980, 8463968, 10579960, 16927936, 21159920, 42319840, 84639680]

約数ペア:

[(1, 84639680), (2, 42319840), (4, 21159920), (5, 16927936), (8, 10579960), (10, 8463968), (16, 5289980), (19, 4454720), (20, 4231984), (32, 2644990), (38, 2227360), (40, 2115992), (64, 1322495), (76, 1113680), (80, 1057996), (95, 890944), (152, 556840), (160, 528998), (190, 445472), (304, 278420), (320, 264499), (380, 222736), (608, 139210), (760, 111368), (1216, 69605), (1520, 55684), (3040, 27842), (6080, 13921)]