5215720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1571}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 11884320

約数和(自身を除く): 6668600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1571, 1660, 3142, 3320, 6284, 7855, 12568, 15710, 31420, 62840, 130393, 260786, 521572, 651965, 1043144, 1303930, 2607860, 5215720]

約数ペア:

[(1, 5215720), (2, 2607860), (4, 1303930), (5, 1043144), (8, 651965), (10, 521572), (20, 260786), (40, 130393), (83, 62840), (166, 31420), (332, 15710), (415, 12568), (664, 7855), (830, 6284), (1571, 3320), (1660, 3142)]