89045720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26821}}^1$

素因数の和:26915

約数の個数: 32

約数和(自身を含む): 202774320

約数和(自身を除く): 113728600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 26821, 53642, 107284, 134105, 214568, 268210, 536420, 1072840, 2226143, 4452286, 8904572, 11130715, 17809144, 22261430, 44522860, 89045720]

約数ペア:

[(1, 89045720), (2, 44522860), (4, 22261430), (5, 17809144), (8, 11130715), (10, 8904572), (20, 4452286), (40, 2226143), (83, 1072840), (166, 536420), (332, 268210), (415, 214568), (664, 134105), (830, 107284), (1660, 53642), (3320, 26821)]