16724920

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1319}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 37778400

約数和(自身を除く): 21053480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1319, 1585, 2536, 2638, 3170, 5276, 6340, 6595, 10552, 12680, 13190, 26380, 52760, 418123, 836246, 1672492, 2090615, 3344984, 4181230, 8362460, 16724920]

約数ペア:

[(1, 16724920), (2, 8362460), (4, 4181230), (5, 3344984), (8, 2090615), (10, 1672492), (20, 836246), (40, 418123), (317, 52760), (634, 26380), (1268, 13190), (1319, 12680), (1585, 10552), (2536, 6595), (2638, 6340), (3170, 5276)]