16860400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 60

約数和(自身を含む): 41230744

約数和(自身を除く): 24370344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 691, 976, 1220, 1382, 1525, 2440, 2764, 3050, 3455, 4880, 5528, 6100, 6910, 11056, 12200, 13820, 17275, 24400, 27640, 34550, 42151, 55280, 69100, 84302, 138200, 168604, 210755, 276400, 337208, 421510, 674416, 843020, 1053775, 1686040, 2107550, 3372080, 4215100, 8430200, 16860400]

約数ペア:

[(1, 16860400), (2, 8430200), (4, 4215100), (5, 3372080), (8, 2107550), (10, 1686040), (16, 1053775), (20, 843020), (25, 674416), (40, 421510), (50, 337208), (61, 276400), (80, 210755), (100, 168604), (122, 138200), (200, 84302), (244, 69100), (305, 55280), (400, 42151), (488, 34550), (610, 27640), (691, 24400), (976, 17275), (1220, 13820), (1382, 12200), (1525, 11056), (2440, 6910), (2764, 6100), (3050, 5528), (3455, 4880)]