40188560

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{727}}^1$

素因数の和:1431

約数の個数: 40

約数和(自身を含む): 93702336

約数和(自身を除く): 53513776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 727, 1382, 1454, 2764, 2908, 3455, 3635, 5528, 5816, 6910, 7270, 11056, 11632, 13820, 14540, 27640, 29080, 55280, 58160, 502357, 1004714, 2009428, 2511785, 4018856, 5023570, 8037712, 10047140, 20094280, 40188560]

約数ペア:

[(1, 40188560), (2, 20094280), (4, 10047140), (5, 8037712), (8, 5023570), (10, 4018856), (16, 2511785), (20, 2009428), (40, 1004714), (80, 502357), (691, 58160), (727, 55280), (1382, 29080), (1454, 27640), (2764, 14540), (2908, 13820), (3455, 11632), (3635, 11056), (5528, 7270), (5816, 6910)]