80137700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{11287}}^1$

素因数の和:11372

約数の個数: 36

約数和(自身を含む): 176363712

約数和(自身を除く): 96226012

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 11287, 22574, 45148, 56435, 112870, 225740, 282175, 564350, 801377, 1128700, 1602754, 3205508, 4006885, 8013770, 16027540, 20034425, 40068850, 80137700]

約数ペア:

[(1, 80137700), (2, 40068850), (4, 20034425), (5, 16027540), (10, 8013770), (20, 4006885), (25, 3205508), (50, 1602754), (71, 1128700), (100, 801377), (142, 564350), (284, 282175), (355, 225740), (710, 112870), (1420, 56435), (1775, 45148), (3550, 22574), (7100, 11287)]