78878560

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1171}}^1$

素因数の和:1607

約数の個数: 48

約数和(自身を含む): 186952752

約数和(自身を除く): 108074192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1171, 1684, 2105, 2342, 3368, 4210, 4684, 5855, 6736, 8420, 9368, 11710, 13472, 16840, 18736, 23420, 33680, 37472, 46840, 67360, 93680, 187360, 492991, 985982, 1971964, 2464955, 3943928, 4929910, 7887856, 9859820, 15775712, 19719640, 39439280, 78878560]

約数ペア:

[(1, 78878560), (2, 39439280), (4, 19719640), (5, 15775712), (8, 9859820), (10, 7887856), (16, 4929910), (20, 3943928), (32, 2464955), (40, 1971964), (80, 985982), (160, 492991), (421, 187360), (842, 93680), (1171, 67360), (1684, 46840), (2105, 37472), (2342, 33680), (3368, 23420), (4210, 18736), (4684, 16840), (5855, 13472), (6736, 11710), (8420, 9368)]