40499720

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6449}}^1$

素因数の和:6617

約数の個数: 32

約数和(自身を含む): 91719000

約数和(自身を除く): 51219280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 6449, 12898, 25796, 32245, 51592, 64490, 128980, 257960, 1012493, 2024986, 4049972, 5062465, 8099944, 10124930, 20249860, 40499720]

約数ペア:

[(1, 40499720), (2, 20249860), (4, 10124930), (5, 8099944), (8, 5062465), (10, 4049972), (20, 2024986), (40, 1012493), (157, 257960), (314, 128980), (628, 64490), (785, 51592), (1256, 32245), (1570, 25796), (3140, 12898), (6280, 6449)]