117640360

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{18043}}^1$

素因数の和:18217

約数の個数: 32

約数和(自身を含む): 266329440

約数和(自身を除く): 148689080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 18043, 36086, 72172, 90215, 144344, 180430, 360860, 721720, 2941009, 5882018, 11764036, 14705045, 23528072, 29410090, 58820180, 117640360]

約数ペア:

[(1, 117640360), (2, 58820180), (4, 29410090), (5, 23528072), (8, 14705045), (10, 11764036), (20, 5882018), (40, 2941009), (163, 721720), (326, 360860), (652, 180430), (815, 144344), (1304, 90215), (1630, 72172), (3260, 36086), (6520, 18043)]