89347960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{171823}}^1$

素因数の和:171847

約数の個数: 32

約数和(自身を含む): 216498240

約数和(自身を除く): 127150280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 171823, 343646, 687292, 859115, 1374584, 1718230, 2233699, 3436460, 4467398, 6872920, 8934796, 11168495, 17869592, 22336990, 44673980, 89347960]

約数ペア:

[(1, 89347960), (2, 44673980), (4, 22336990), (5, 17869592), (8, 11168495), (10, 8934796), (13, 6872920), (20, 4467398), (26, 3436460), (40, 2233699), (52, 1718230), (65, 1374584), (104, 859115), (130, 687292), (260, 343646), (520, 171823)]