7920560

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:741

約数の個数: 40

約数和(自身を含む): 18550896

約数和(自身を除く): 10630336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 547, 724, 905, 1094, 1448, 1810, 2188, 2735, 2896, 3620, 4376, 5470, 7240, 8752, 10940, 14480, 21880, 43760, 99007, 198014, 396028, 495035, 792056, 990070, 1584112, 1980140, 3960280, 7920560]

約数ペア:

[(1, 7920560), (2, 3960280), (4, 1980140), (5, 1584112), (8, 990070), (10, 792056), (16, 495035), (20, 396028), (40, 198014), (80, 99007), (181, 43760), (362, 21880), (547, 14480), (724, 10940), (905, 8752), (1094, 7240), (1448, 5470), (1810, 4376), (2188, 3620), (2735, 2896)]