21835600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:788

約数の個数: 60

約数和(自身を含む): 53200960

約数和(自身を除く): 31365360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 691, 790, 1264, 1382, 1580, 1975, 2764, 3160, 3455, 3950, 5528, 6320, 6910, 7900, 11056, 13820, 15800, 17275, 27640, 31600, 34550, 54589, 55280, 69100, 109178, 138200, 218356, 272945, 276400, 436712, 545890, 873424, 1091780, 1364725, 2183560, 2729450, 4367120, 5458900, 10917800, 21835600]

約数ペア:

[(1, 21835600), (2, 10917800), (4, 5458900), (5, 4367120), (8, 2729450), (10, 2183560), (16, 1364725), (20, 1091780), (25, 873424), (40, 545890), (50, 436712), (79, 276400), (80, 272945), (100, 218356), (158, 138200), (200, 109178), (316, 69100), (395, 55280), (400, 54589), (632, 34550), (691, 31600), (790, 27640), (1264, 17275), (1382, 15800), (1580, 13820), (1975, 11056), (2764, 7900), (3160, 6910), (3455, 6320), (3950, 5528)]