8998989550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{22283}}^1$

素因数の和:22533

約数の個数: 48

約数和(自身を含む): 17234178192

約数和(自身を除く): 8235188642

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 197, 205, 394, 410, 985, 1025, 1970, 2050, 4925, 8077, 9850, 16154, 22283, 40385, 44566, 80770, 111415, 201925, 222830, 403850, 557075, 913603, 1114150, 1827206, 4389751, 4568015, 8779502, 9136030, 21948755, 22840075, 43897510, 45680150, 109743775, 179979791, 219487550, 359959582, 899898955, 1799797910, 4499494775, 8998989550]

約数ペア:

[(1, 8998989550), (2, 4499494775), (5, 1799797910), (10, 899898955), (25, 359959582), (41, 219487550), (50, 179979791), (82, 109743775), (197, 45680150), (205, 43897510), (394, 22840075), (410, 21948755), (985, 9136030), (1025, 8779502), (1970, 4568015), (2050, 4389751), (4925, 1827206), (8077, 1114150), (9850, 913603), (16154, 557075), (22283, 403850), (40385, 222830), (44566, 201925), (80770, 111415)]