28526140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 62596800

約数和(自身を除く): 34070660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 359, 548, 580, 685, 718, 1370, 1436, 1795, 2740, 3590, 3973, 7180, 7946, 10411, 15892, 19865, 20822, 39730, 41644, 49183, 52055, 79460, 98366, 104110, 196732, 208220, 245915, 491830, 983660, 1426307, 2852614, 5705228, 7131535, 14263070, 28526140]

約数ペア:

[(1, 28526140), (2, 14263070), (4, 7131535), (5, 5705228), (10, 2852614), (20, 1426307), (29, 983660), (58, 491830), (116, 245915), (137, 208220), (145, 196732), (274, 104110), (290, 98366), (359, 79460), (548, 52055), (580, 49183), (685, 41644), (718, 39730), (1370, 20822), (1436, 19865), (1795, 15892), (2740, 10411), (3590, 7946), (3973, 7180)]