40807720

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2213}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 92058120

約数和(自身を除く): 51250400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2213, 2305, 3688, 4426, 4610, 8852, 9220, 11065, 17704, 18440, 22130, 44260, 88520, 1020193, 2040386, 4080772, 5100965, 8161544, 10201930, 20403860, 40807720]

約数ペア:

[(1, 40807720), (2, 20403860), (4, 10201930), (5, 8161544), (8, 5100965), (10, 4080772), (20, 2040386), (40, 1020193), (461, 88520), (922, 44260), (1844, 22130), (2213, 18440), (2305, 17704), (3688, 11065), (4426, 9220), (4610, 8852)]