31946480

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3877}}^1$

素因数の和:3993

約数の個数: 40

約数和(自身を含む): 75016032

約数和(自身を除く): 43069552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3877, 4120, 7754, 8240, 15508, 19385, 31016, 38770, 62032, 77540, 155080, 310160, 399331, 798662, 1597324, 1996655, 3194648, 3993310, 6389296, 7986620, 15973240, 31946480]

約数ペア:

[(1, 31946480), (2, 15973240), (4, 7986620), (5, 6389296), (8, 3993310), (10, 3194648), (16, 1996655), (20, 1597324), (40, 798662), (80, 399331), (103, 310160), (206, 155080), (412, 77540), (515, 62032), (824, 38770), (1030, 31016), (1648, 19385), (2060, 15508), (3877, 8240), (4120, 7754)]