99407960

素因数分解:

$2^3\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{2213}}^1$

素因数の和:3347

約数の個数: 32

約数和(自身を含む): 223968240

約数和(自身を除く): 124560280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1123, 2213, 2246, 4426, 4492, 5615, 8852, 8984, 11065, 11230, 17704, 22130, 22460, 44260, 44920, 88520, 2485199, 4970398, 9940796, 12425995, 19881592, 24851990, 49703980, 99407960]

約数ペア:

[(1, 99407960), (2, 49703980), (4, 24851990), (5, 19881592), (8, 12425995), (10, 9940796), (20, 4970398), (40, 2485199), (1123, 88520), (2213, 44920), (2246, 44260), (4426, 22460), (4492, 22130), (5615, 17704), (8852, 11230), (8984, 11065)]