16578804940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1\times {\mathrm{18013}}^1$

素因数の和:20746

約数の個数: 48

約数和(自身を含む): 36879125472

約数和(自身を除く): 20300320532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2707, 5414, 10828, 13535, 18013, 27070, 36026, 46019, 54140, 72052, 90065, 92038, 180130, 184076, 230095, 306221, 360260, 460190, 612442, 920380, 1224884, 1531105, 3062210, 6124420, 48761191, 97522382, 195044764, 243805955, 487611910, 828940247, 975223820, 1657880494, 3315760988, 4144701235, 8289402470, 16578804940]

約数ペア:

[(1, 16578804940), (2, 8289402470), (4, 4144701235), (5, 3315760988), (10, 1657880494), (17, 975223820), (20, 828940247), (34, 487611910), (68, 243805955), (85, 195044764), (170, 97522382), (340, 48761191), (2707, 6124420), (5414, 3062210), (10828, 1531105), (13535, 1224884), (18013, 920380), (27070, 612442), (36026, 460190), (46019, 360260), (54140, 306221), (72052, 230095), (90065, 184076), (92038, 180130)]