26684180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 58404864

約数和(自身を除く): 31720684

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 193, 223, 310, 386, 446, 620, 772, 892, 965, 1115, 1930, 2230, 3860, 4460, 5983, 6913, 11966, 13826, 23932, 27652, 29915, 34565, 43039, 59830, 69130, 86078, 119660, 138260, 172156, 215195, 430390, 860780, 1334209, 2668418, 5336836, 6671045, 13342090, 26684180]

約数ペア:

[(1, 26684180), (2, 13342090), (4, 6671045), (5, 5336836), (10, 2668418), (20, 1334209), (31, 860780), (62, 430390), (124, 215195), (155, 172156), (193, 138260), (223, 119660), (310, 86078), (386, 69130), (446, 59830), (620, 43039), (772, 34565), (892, 29915), (965, 27652), (1115, 23932), (1930, 13826), (2230, 11966), (3860, 6913), (4460, 5983)]