78118720

素因数分解:

$2^6\times 5^1\times {\mathrm{244121}}^1$

素因数の和:244138

約数の個数: 28

約数和(自身を含む): 186020964

約数和(自身を除く): 107902244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 244121, 488242, 976484, 1220605, 1952968, 2441210, 3905936, 4882420, 7811872, 9764840, 15623744, 19529680, 39059360, 78118720]

約数ペア:

[(1, 78118720), (2, 39059360), (4, 19529680), (5, 15623744), (8, 9764840), (10, 7811872), (16, 4882420), (20, 3905936), (32, 2441210), (40, 1952968), (64, 1220605), (80, 976484), (160, 488242), (320, 244121)]