939911120

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{18329}}^1$

素因数の和:18983

約数の個数: 40

約数和(自身を含む): 2188821960

約数和(自身を除く): 1248910840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 18329, 25640, 36658, 51280, 73316, 91645, 146632, 183290, 293264, 366580, 733160, 1466320, 11748889, 23497778, 46995556, 58744445, 93991112, 117488890, 187982224, 234977780, 469955560, 939911120]

約数ペア:

[(1, 939911120), (2, 469955560), (4, 234977780), (5, 187982224), (8, 117488890), (10, 93991112), (16, 58744445), (20, 46995556), (40, 23497778), (80, 11748889), (641, 1466320), (1282, 733160), (2564, 366580), (3205, 293264), (5128, 183290), (6410, 146632), (10256, 91645), (12820, 73316), (18329, 51280), (25640, 36658)]