402971320

素因数分解:

$2^3\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{6269}}^1$

素因数の和:7887

約数の個数: 32

約数和(自身を含む): 907394400

約数和(自身を除く): 504423080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1607, 3214, 6269, 6428, 8035, 12538, 12856, 16070, 25076, 31345, 32140, 50152, 62690, 64280, 125380, 250760, 10074283, 20148566, 40297132, 50371415, 80594264, 100742830, 201485660, 402971320]

約数ペア:

[(1, 402971320), (2, 201485660), (4, 100742830), (5, 80594264), (8, 50371415), (10, 40297132), (20, 20148566), (40, 10074283), (1607, 250760), (3214, 125380), (6269, 64280), (6428, 62690), (8035, 50152), (12538, 32140), (12856, 31345), (16070, 25076)]