1264880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 2989392

約数和(自身を除く): 1724512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 163, 194, 326, 388, 485, 652, 776, 815, 970, 1304, 1552, 1630, 1940, 2608, 3260, 3880, 6520, 7760, 13040, 15811, 31622, 63244, 79055, 126488, 158110, 252976, 316220, 632440, 1264880]

約数ペア:

[(1, 1264880), (2, 632440), (4, 316220), (5, 252976), (8, 158110), (10, 126488), (16, 79055), (20, 63244), (40, 31622), (80, 15811), (97, 13040), (163, 7760), (194, 6520), (326, 3880), (388, 3260), (485, 2608), (652, 1940), (776, 1630), (815, 1552), (970, 1304)]