25468940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1669}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 61723200

約数和(自身を除く): 36254260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 1669, 2180, 3052, 3338, 3815, 6676, 7630, 8345, 11683, 15260, 16690, 23366, 33380, 46732, 58415, 116830, 181921, 233660, 363842, 727684, 909605, 1273447, 1819210, 2546894, 3638420, 5093788, 6367235, 12734470, 25468940]

約数ペア:

[(1, 25468940), (2, 12734470), (4, 6367235), (5, 5093788), (7, 3638420), (10, 2546894), (14, 1819210), (20, 1273447), (28, 909605), (35, 727684), (70, 363842), (109, 233660), (140, 181921), (218, 116830), (436, 58415), (545, 46732), (763, 33380), (1090, 23366), (1526, 16690), (1669, 15260), (2180, 11683), (3052, 8345), (3338, 7630), (3815, 6676)]