770717680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{121949}}^1$

素因数の和:122041

約数の個数: 40

約数和(自身を含む): 1814616000

約数和(自身を除く): 1043898320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 121949, 243898, 487796, 609745, 975592, 1219490, 1951184, 2438980, 4877960, 9633971, 9755920, 19267942, 38535884, 48169855, 77071768, 96339710, 154143536, 192679420, 385358840, 770717680]

約数ペア:

[(1, 770717680), (2, 385358840), (4, 192679420), (5, 154143536), (8, 96339710), (10, 77071768), (16, 48169855), (20, 38535884), (40, 19267942), (79, 9755920), (80, 9633971), (158, 4877960), (316, 2438980), (395, 1951184), (632, 1219490), (790, 975592), (1264, 609745), (1580, 487796), (3160, 243898), (6320, 121949)]