8111440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2473}}^1$

素因数の和:2527

約数の個数: 40

約数和(自身を含む): 19326888

約数和(自身を除く): 11215448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2473, 3280, 4946, 9892, 12365, 19784, 24730, 39568, 49460, 98920, 101393, 197840, 202786, 405572, 506965, 811144, 1013930, 1622288, 2027860, 4055720, 8111440]

約数ペア:

[(1, 8111440), (2, 4055720), (4, 2027860), (5, 1622288), (8, 1013930), (10, 811144), (16, 506965), (20, 405572), (40, 202786), (41, 197840), (80, 101393), (82, 98920), (164, 49460), (205, 39568), (328, 24730), (410, 19784), (656, 12365), (820, 9892), (1640, 4946), (2473, 3280)]