16221767440

素因数分解:

$2^4\times 5^1\times {\mathrm{3571}}^1\times {\mathrm{56783}}^1$

素因数の和:60367

約数の個数: 40

約数和(自身を含む): 37726835328

約数和(自身を除く): 21505067888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3571, 7142, 14284, 17855, 28568, 35710, 56783, 57136, 71420, 113566, 142840, 227132, 283915, 285680, 454264, 567830, 908528, 1135660, 2271320, 4542640, 202772093, 405544186, 811088372, 1013860465, 1622176744, 2027720930, 3244353488, 4055441860, 8110883720, 16221767440]

約数ペア:

[(1, 16221767440), (2, 8110883720), (4, 4055441860), (5, 3244353488), (8, 2027720930), (10, 1622176744), (16, 1013860465), (20, 811088372), (40, 405544186), (80, 202772093), (3571, 4542640), (7142, 2271320), (14284, 1135660), (17855, 908528), (28568, 567830), (35710, 454264), (56783, 285680), (57136, 283915), (71420, 227132), (113566, 142840)]