1978916560

素因数分解:

$2^4\times 5^1\times {\mathrm{4597}}^1\times {\mathrm{5381}}^1$

素因数の和:9991

約数の個数: 40

約数和(自身を含む): 4602837096

約数和(自身を除く): 2623920536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4597, 5381, 9194, 10762, 18388, 21524, 22985, 26905, 36776, 43048, 45970, 53810, 73552, 86096, 91940, 107620, 183880, 215240, 367760, 430480, 24736457, 49472914, 98945828, 123682285, 197891656, 247364570, 395783312, 494729140, 989458280, 1978916560]

約数ペア:

[(1, 1978916560), (2, 989458280), (4, 494729140), (5, 395783312), (8, 247364570), (10, 197891656), (16, 123682285), (20, 98945828), (40, 49472914), (80, 24736457), (4597, 430480), (5381, 367760), (9194, 215240), (10762, 183880), (18388, 107620), (21524, 91940), (22985, 86096), (26905, 73552), (36776, 53810), (43048, 45970)]