85361720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11173}}^1$

素因数の和:11375

約数の個数: 32

約数和(自身を含む): 193086720

約数和(自身を除く): 107725000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 11173, 22346, 44692, 55865, 89384, 111730, 223460, 446920, 2134043, 4268086, 8536172, 10670215, 17072344, 21340430, 42680860, 85361720]

約数ペア:

[(1, 85361720), (2, 42680860), (4, 21340430), (5, 17072344), (8, 10670215), (10, 8536172), (20, 4268086), (40, 2134043), (191, 446920), (382, 223460), (764, 111730), (955, 89384), (1528, 55865), (1910, 44692), (3820, 22346), (7640, 11173)]