1387755080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{439163}}^1$

素因数の和:439253

約数の個数: 32

約数和(自身を含む): 3161980800

約数和(自身を除く): 1774225720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 439163, 878326, 1756652, 2195815, 3513304, 4391630, 8783260, 17566520, 34693877, 69387754, 138775508, 173469385, 277551016, 346938770, 693877540, 1387755080]

約数ペア:

[(1, 1387755080), (2, 693877540), (4, 346938770), (5, 277551016), (8, 173469385), (10, 138775508), (20, 69387754), (40, 34693877), (79, 17566520), (158, 8783260), (316, 4391630), (395, 3513304), (632, 2195815), (790, 1756652), (1580, 878326), (3160, 439163)]