74586920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26263}}^1$

素因数の和:26345

約数の個数: 32

約数和(自身を含む): 170190720

約数和(自身を除く): 95603800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 26263, 52526, 105052, 131315, 210104, 262630, 525260, 1050520, 1864673, 3729346, 7458692, 9323365, 14917384, 18646730, 37293460, 74586920]

約数ペア:

[(1, 74586920), (2, 37293460), (4, 18646730), (5, 14917384), (8, 9323365), (10, 7458692), (20, 3729346), (40, 1864673), (71, 1050520), (142, 525260), (284, 262630), (355, 210104), (568, 131315), (710, 105052), (1420, 52526), (2840, 26263)]