168016880

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5399}}^1$

素因数の和:5801

約数の個数: 40

約数和(自身を含む): 391716000

約数和(自身を除く): 223699120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 5399, 6224, 7780, 10798, 15560, 21596, 26995, 31120, 43192, 53990, 86384, 107980, 215960, 431920, 2100211, 4200422, 8400844, 10501055, 16801688, 21002110, 33603376, 42004220, 84008440, 168016880]

約数ペア:

[(1, 168016880), (2, 84008440), (4, 42004220), (5, 33603376), (8, 21002110), (10, 16801688), (16, 10501055), (20, 8400844), (40, 4200422), (80, 2100211), (389, 431920), (778, 215960), (1556, 107980), (1945, 86384), (3112, 53990), (3890, 43192), (5399, 31120), (6224, 26995), (7780, 21596), (10798, 15560)]