100408520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{24371}}^1$

素因数の和:24485

約数の個数: 32

約数和(自身を含む): 228121920

約数和(自身を除く): 127713400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 24371, 48742, 97484, 121855, 194968, 243710, 487420, 974840, 2510213, 5020426, 10040852, 12551065, 20081704, 25102130, 50204260, 100408520]

約数ペア:

[(1, 100408520), (2, 50204260), (4, 25102130), (5, 20081704), (8, 12551065), (10, 10040852), (20, 5020426), (40, 2510213), (103, 974840), (206, 487420), (412, 243710), (515, 194968), (824, 121855), (1030, 97484), (2060, 48742), (4120, 24371)]