25294640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2694

約数の個数: 80

約数和(自身を含む): 71191872

約数和(自身を除く): 45897232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 2657, 4760, 5314, 9520, 10628, 13285, 18599, 21256, 26570, 37198, 42512, 45169, 53140, 74396, 90338, 92995, 106280, 148792, 180676, 185990, 212560, 225845, 297584, 316183, 361352, 371980, 451690, 632366, 722704, 743960, 903380, 1264732, 1487920, 1580915, 1806760, 2529464, 3161830, 3613520, 5058928, 6323660, 12647320, 25294640]

約数ペア:

[(1, 25294640), (2, 12647320), (4, 6323660), (5, 5058928), (7, 3613520), (8, 3161830), (10, 2529464), (14, 1806760), (16, 1580915), (17, 1487920), (20, 1264732), (28, 903380), (34, 743960), (35, 722704), (40, 632366), (56, 451690), (68, 371980), (70, 361352), (80, 316183), (85, 297584), (112, 225845), (119, 212560), (136, 185990), (140, 180676), (170, 148792), (238, 106280), (272, 92995), (280, 90338), (340, 74396), (476, 53140), (560, 45169), (595, 42512), (680, 37198), (952, 26570), (1190, 21256), (1360, 18599), (1904, 13285), (2380, 10628), (2657, 9520), (4760, 5314)]