85004720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17419}}^1$

素因数の和:17493

約数の個数: 40

約数和(自身を含む): 200887440

約数和(自身を除く): 115882720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 17419, 34838, 69676, 87095, 139352, 174190, 278704, 348380, 696760, 1062559, 1393520, 2125118, 4250236, 5312795, 8500472, 10625590, 17000944, 21251180, 42502360, 85004720]

約数ペア:

[(1, 85004720), (2, 42502360), (4, 21251180), (5, 17000944), (8, 10625590), (10, 8500472), (16, 5312795), (20, 4250236), (40, 2125118), (61, 1393520), (80, 1062559), (122, 696760), (244, 348380), (305, 278704), (488, 174190), (610, 139352), (976, 87095), (1220, 69676), (2440, 34838), (4880, 17419)]