23871860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 52308480

約数和(自身を除く): 28436620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 277, 278, 310, 554, 556, 620, 695, 1108, 1385, 1390, 2770, 2780, 4309, 5540, 8587, 8618, 17174, 17236, 21545, 34348, 38503, 42935, 43090, 77006, 85870, 86180, 154012, 171740, 192515, 385030, 770060, 1193593, 2387186, 4774372, 5967965, 11935930, 23871860]

約数ペア:

[(1, 23871860), (2, 11935930), (4, 5967965), (5, 4774372), (10, 2387186), (20, 1193593), (31, 770060), (62, 385030), (124, 192515), (139, 171740), (155, 154012), (277, 86180), (278, 85870), (310, 77006), (554, 43090), (556, 42935), (620, 38503), (695, 34348), (1108, 21545), (1385, 17236), (1390, 17174), (2770, 8618), (2780, 8587), (4309, 5540)]