79745346320

素因数分解:

$2^4\times 5^1\times {\mathrm{5581}}^1\times {\mathrm{178609}}^1$

素因数の和:184203

約数の個数: 40

約数和(自身を含む): 185442189720

約数和(自身を除く): 105696843400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5581, 11162, 22324, 27905, 44648, 55810, 89296, 111620, 178609, 223240, 357218, 446480, 714436, 893045, 1428872, 1786090, 2857744, 3572180, 7144360, 14288720, 996816829, 1993633658, 3987267316, 4984084145, 7974534632, 9968168290, 15949069264, 19936336580, 39872673160, 79745346320]

約数ペア:

[(1, 79745346320), (2, 39872673160), (4, 19936336580), (5, 15949069264), (8, 9968168290), (10, 7974534632), (16, 4984084145), (20, 3987267316), (40, 1993633658), (80, 996816829), (5581, 14288720), (11162, 7144360), (22324, 3572180), (27905, 2857744), (44648, 1786090), (55810, 1428872), (89296, 893045), (111620, 714436), (178609, 446480), (223240, 357218)]