42519440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8713}}^1$

素因数の和:8787

約数の個数: 40

約数和(自身を含む): 100489848

約数和(自身を除く): 57970408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8713, 17426, 34852, 43565, 69704, 87130, 139408, 174260, 348520, 531493, 697040, 1062986, 2125972, 2657465, 4251944, 5314930, 8503888, 10629860, 21259720, 42519440]

約数ペア:

[(1, 42519440), (2, 21259720), (4, 10629860), (5, 8503888), (8, 5314930), (10, 4251944), (16, 2657465), (20, 2125972), (40, 1062986), (61, 697040), (80, 531493), (122, 348520), (244, 174260), (305, 139408), (488, 87130), (610, 69704), (976, 43565), (1220, 34852), (2440, 17426), (4880, 8713)]