7966755920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2428889}}^1$

素因数の和:2428943

約数の個数: 40

約数和(自身を含む): 18974488680

約数和(自身を除く): 11007732760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 2428889, 4857778, 9715556, 12144445, 19431112, 24288890, 38862224, 48577780, 97155560, 99584449, 194311120, 199168898, 398337796, 497922245, 796675592, 995844490, 1593351184, 1991688980, 3983377960, 7966755920]

約数ペア:

[(1, 7966755920), (2, 3983377960), (4, 1991688980), (5, 1593351184), (8, 995844490), (10, 796675592), (16, 497922245), (20, 398337796), (40, 199168898), (41, 194311120), (80, 99584449), (82, 97155560), (164, 48577780), (205, 38862224), (328, 24288890), (410, 19431112), (656, 12144445), (820, 9715556), (1640, 4857778), (3280, 2428889)]