31793480

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3767}}^1$

素因数の和:3989

約数の個数: 32

約数和(自身を含む): 71893440

約数和(自身を除く): 40099960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3767, 4220, 7534, 8440, 15068, 18835, 30136, 37670, 75340, 150680, 794837, 1589674, 3179348, 3974185, 6358696, 7948370, 15896740, 31793480]

約数ペア:

[(1, 31793480), (2, 15896740), (4, 7948370), (5, 6358696), (8, 3974185), (10, 3179348), (20, 1589674), (40, 794837), (211, 150680), (422, 75340), (844, 37670), (1055, 30136), (1688, 18835), (2110, 15068), (3767, 8440), (4220, 7534)]