16325380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 36013824

約数和(自身を除く): 19688444

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 463, 820, 860, 926, 1763, 1852, 2315, 3526, 4630, 7052, 8815, 9260, 17630, 18983, 19909, 35260, 37966, 39818, 75932, 79636, 94915, 99545, 189830, 199090, 379660, 398180, 816269, 1632538, 3265076, 4081345, 8162690, 16325380]

約数ペア:

[(1, 16325380), (2, 8162690), (4, 4081345), (5, 3265076), (10, 1632538), (20, 816269), (41, 398180), (43, 379660), (82, 199090), (86, 189830), (164, 99545), (172, 94915), (205, 79636), (215, 75932), (410, 39818), (430, 37966), (463, 35260), (820, 19909), (860, 18983), (926, 17630), (1763, 9260), (1852, 8815), (2315, 7052), (3526, 4630)]