253453240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{65323}}^1$

素因数の和:65431

約数の個数: 32

約数和(自身を含む): 576157680

約数和(自身を除く): 322704440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 65323, 130646, 261292, 326615, 522584, 653230, 1306460, 2612920, 6336331, 12672662, 25345324, 31681655, 50690648, 63363310, 126726620, 253453240]

約数ペア:

[(1, 253453240), (2, 126726620), (4, 63363310), (5, 50690648), (8, 31681655), (10, 25345324), (20, 12672662), (40, 6336331), (97, 2612920), (194, 1306460), (388, 653230), (485, 522584), (776, 326615), (970, 261292), (1940, 130646), (3880, 65323)]