81824020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{110573}}^1$

素因数の和:110619

約数の個数: 24

約数和(自身を含む): 176476104

約数和(自身を除く): 94652084

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 110573, 221146, 442292, 552865, 1105730, 2211460, 4091201, 8182402, 16364804, 20456005, 40912010, 81824020]

約数ペア:

[(1, 81824020), (2, 40912010), (4, 20456005), (5, 16364804), (10, 8182402), (20, 4091201), (37, 2211460), (74, 1105730), (148, 552865), (185, 442292), (370, 221146), (740, 110573)]