20177200

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 60

約数和(自身を含む): 49210888

約数和(自身を除く): 29033688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 200, 292, 365, 400, 584, 691, 730, 1168, 1382, 1460, 1825, 2764, 2920, 3455, 3650, 5528, 5840, 6910, 7300, 11056, 13820, 14600, 17275, 27640, 29200, 34550, 50443, 55280, 69100, 100886, 138200, 201772, 252215, 276400, 403544, 504430, 807088, 1008860, 1261075, 2017720, 2522150, 4035440, 5044300, 10088600, 20177200]

約数ペア:

[(1, 20177200), (2, 10088600), (4, 5044300), (5, 4035440), (8, 2522150), (10, 2017720), (16, 1261075), (20, 1008860), (25, 807088), (40, 504430), (50, 403544), (73, 276400), (80, 252215), (100, 201772), (146, 138200), (200, 100886), (292, 69100), (365, 55280), (400, 50443), (584, 34550), (691, 29200), (730, 27640), (1168, 17275), (1382, 14600), (1460, 13820), (1825, 11056), (2764, 7300), (2920, 6910), (3455, 5840), (3650, 5528)]