122890120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{74933}}^1$

素因数の和:74985

約数の個数: 32

約数和(自身を含む): 283250520

約数和(自身を除く): 160360400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 74933, 149866, 299732, 374665, 599464, 749330, 1498660, 2997320, 3072253, 6144506, 12289012, 15361265, 24578024, 30722530, 61445060, 122890120]

約数ペア:

[(1, 122890120), (2, 61445060), (4, 30722530), (5, 24578024), (8, 15361265), (10, 12289012), (20, 6144506), (40, 3072253), (41, 2997320), (82, 1498660), (164, 749330), (205, 599464), (328, 374665), (410, 299732), (820, 149866), (1640, 74933)]