25608460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 57546720

約数和(自身を除く): 31938260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 691, 1090, 1382, 1853, 2180, 2764, 3455, 3706, 6910, 7412, 9265, 11747, 13820, 18530, 23494, 37060, 46988, 58735, 75319, 117470, 150638, 234940, 301276, 376595, 753190, 1280423, 1506380, 2560846, 5121692, 6402115, 12804230, 25608460]

約数ペア:

[(1, 25608460), (2, 12804230), (4, 6402115), (5, 5121692), (10, 2560846), (17, 1506380), (20, 1280423), (34, 753190), (68, 376595), (85, 301276), (109, 234940), (170, 150638), (218, 117470), (340, 75319), (436, 58735), (545, 46988), (691, 37060), (1090, 23494), (1382, 18530), (1853, 13820), (2180, 11747), (2764, 9265), (3455, 7412), (3706, 6910)]