984120625

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 1269043776

約数和(自身を除く): 284923151

約数列:

[1, 5, 25, 61, 83, 125, 305, 311, 415, 625, 1525, 1555, 2075, 5063, 7625, 7775, 10375, 18971, 25315, 25813, 38125, 38875, 51875, 94855, 126575, 129065, 194375, 474275, 632875, 645325, 1574593, 2371375, 3164375, 3226625, 7872965, 11856875, 16133125, 39364825, 196824125, 984120625]

約数ペア:

[(1, 984120625), (5, 196824125), (25, 39364825), (61, 16133125), (83, 11856875), (125, 7872965), (305, 3226625), (311, 3164375), (415, 2371375), (625, 1574593), (1525, 645325), (1555, 632875), (2075, 474275), (5063, 194375), (7625, 129065), (7775, 126575), (10375, 94855), (18971, 51875), (25315, 38875), (25813, 38125)]