72375020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3659}}^1$

素因数の和:3734

約数の個数: 48

約数和(自身を含む): 162328320

約数和(自身を除く): 89953300

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3659, 3956, 4945, 7318, 9890, 14636, 18295, 19780, 36590, 73180, 84157, 157337, 168314, 314674, 336628, 420785, 629348, 786685, 841570, 1573370, 1683140, 3146740, 3618751, 7237502, 14475004, 18093755, 36187510, 72375020]

約数ペア:

[(1, 72375020), (2, 36187510), (4, 18093755), (5, 14475004), (10, 7237502), (20, 3618751), (23, 3146740), (43, 1683140), (46, 1573370), (86, 841570), (92, 786685), (115, 629348), (172, 420785), (215, 336628), (230, 314674), (430, 168314), (460, 157337), (860, 84157), (989, 73180), (1978, 36590), (3659, 19780), (3956, 18295), (4945, 14636), (7318, 9890)]