51551440

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2099}}^1$

素因数の和:2419

約数の個数: 40

約数和(自身を含む): 120304800

約数和(自身を除く): 68753360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2099, 2456, 3070, 4198, 4912, 6140, 8396, 10495, 12280, 16792, 20990, 24560, 33584, 41980, 83960, 167920, 644393, 1288786, 2577572, 3221965, 5155144, 6443930, 10310288, 12887860, 25775720, 51551440]

約数ペア:

[(1, 51551440), (2, 25775720), (4, 12887860), (5, 10310288), (8, 6443930), (10, 5155144), (16, 3221965), (20, 2577572), (40, 1288786), (80, 644393), (307, 167920), (614, 83960), (1228, 41980), (1535, 33584), (2099, 24560), (2456, 20990), (3070, 16792), (4198, 12280), (4912, 10495), (6140, 8396)]