405948880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{52313}}^1$

素因数の和:52423

約数の個数: 40

約数和(自身を含む): 953579592

約数和(自身を除く): 547630712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 52313, 104626, 209252, 261565, 418504, 523130, 837008, 1046260, 2092520, 4185040, 5074361, 10148722, 20297444, 25371805, 40594888, 50743610, 81189776, 101487220, 202974440, 405948880]

約数ペア:

[(1, 405948880), (2, 202974440), (4, 101487220), (5, 81189776), (8, 50743610), (10, 40594888), (16, 25371805), (20, 20297444), (40, 10148722), (80, 5074361), (97, 4185040), (194, 2092520), (388, 1046260), (485, 837008), (776, 523130), (970, 418504), (1552, 261565), (1940, 209252), (3880, 104626), (7760, 52313)]