202778560

素因数分解:

$2^6\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1999}}^1$

素因数の和:2333

約数の個数: 56

約数和(自身を含む): 484632000

約数和(自身を除く): 281853440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 317, 320, 634, 1268, 1585, 1999, 2536, 3170, 3998, 5072, 6340, 7996, 9995, 10144, 12680, 15992, 19990, 20288, 25360, 31984, 39980, 50720, 63968, 79960, 101440, 127936, 159920, 319840, 633683, 639680, 1267366, 2534732, 3168415, 5069464, 6336830, 10138928, 12673660, 20277856, 25347320, 40555712, 50694640, 101389280, 202778560]

約数ペア:

[(1, 202778560), (2, 101389280), (4, 50694640), (5, 40555712), (8, 25347320), (10, 20277856), (16, 12673660), (20, 10138928), (32, 6336830), (40, 5069464), (64, 3168415), (80, 2534732), (160, 1267366), (317, 639680), (320, 633683), (634, 319840), (1268, 159920), (1585, 127936), (1999, 101440), (2536, 79960), (3170, 63968), (3998, 50720), (5072, 39980), (6340, 31984), (7996, 25360), (9995, 20288), (10144, 19990), (12680, 15992)]