25407760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 43337840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 769, 826, 944, 1180, 1538, 1652, 2065, 2360, 3076, 3304, 3845, 4130, 4720, 5383, 6152, 6608, 7690, 8260, 10766, 12304, 15380, 16520, 21532, 26915, 30760, 33040, 43064, 45371, 53830, 61520, 86128, 90742, 107660, 181484, 215320, 226855, 317597, 362968, 430640, 453710, 635194, 725936, 907420, 1270388, 1587985, 1814840, 2540776, 3175970, 3629680, 5081552, 6351940, 12703880, 25407760]

約数ペア:

[(1, 25407760), (2, 12703880), (4, 6351940), (5, 5081552), (7, 3629680), (8, 3175970), (10, 2540776), (14, 1814840), (16, 1587985), (20, 1270388), (28, 907420), (35, 725936), (40, 635194), (56, 453710), (59, 430640), (70, 362968), (80, 317597), (112, 226855), (118, 215320), (140, 181484), (236, 107660), (280, 90742), (295, 86128), (413, 61520), (472, 53830), (560, 45371), (590, 43064), (769, 33040), (826, 30760), (944, 26915), (1180, 21532), (1538, 16520), (1652, 15380), (2065, 12304), (2360, 10766), (3076, 8260), (3304, 7690), (3845, 6608), (4130, 6152), (4720, 5383)]