89143280

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5281}}^1$

素因数の和:5505

約数の個数: 40

約数和(自身を含む): 208279824

約数和(自身を除く): 119136544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 5281, 8440, 10562, 16880, 21124, 26405, 42248, 52810, 84496, 105620, 211240, 422480, 1114291, 2228582, 4457164, 5571455, 8914328, 11142910, 17828656, 22285820, 44571640, 89143280]

約数ペア:

[(1, 89143280), (2, 44571640), (4, 22285820), (5, 17828656), (8, 11142910), (10, 8914328), (16, 5571455), (20, 4457164), (40, 2228582), (80, 1114291), (211, 422480), (422, 211240), (844, 105620), (1055, 84496), (1688, 52810), (2110, 42248), (3376, 26405), (4220, 21124), (5281, 16880), (8440, 10562)]