25903960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 61106400

約数和(自身を除く): 35202440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 163, 232, 274, 290, 326, 548, 580, 652, 685, 815, 1096, 1160, 1304, 1370, 1630, 2740, 3260, 3973, 4727, 5480, 6520, 7946, 9454, 15892, 18908, 19865, 22331, 23635, 31784, 37816, 39730, 44662, 47270, 79460, 89324, 94540, 111655, 158920, 178648, 189080, 223310, 446620, 647599, 893240, 1295198, 2590396, 3237995, 5180792, 6475990, 12951980, 25903960]

約数ペア:

[(1, 25903960), (2, 12951980), (4, 6475990), (5, 5180792), (8, 3237995), (10, 2590396), (20, 1295198), (29, 893240), (40, 647599), (58, 446620), (116, 223310), (137, 189080), (145, 178648), (163, 158920), (232, 111655), (274, 94540), (290, 89324), (326, 79460), (548, 47270), (580, 44662), (652, 39730), (685, 37816), (815, 31784), (1096, 23635), (1160, 22331), (1304, 19865), (1370, 18908), (1630, 15892), (2740, 9454), (3260, 7946), (3973, 6520), (4727, 5480)]