40625440

素因数分解:

$2^5\times 5^1\times {\mathrm{253909}}^1$

素因数の和:253924

約数の個数: 24

約数和(自身を含む): 95977980

約数和(自身を除く): 55352540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 253909, 507818, 1015636, 1269545, 2031272, 2539090, 4062544, 5078180, 8125088, 10156360, 20312720, 40625440]

約数ペア:

[(1, 40625440), (2, 20312720), (4, 10156360), (5, 8125088), (8, 5078180), (10, 4062544), (16, 2539090), (20, 2031272), (32, 1269545), (40, 1015636), (80, 507818), (160, 253909)]