25514960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 63920016

約数和(自身を除く): 38405056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 257, 272, 292, 340, 365, 514, 584, 680, 730, 1028, 1168, 1241, 1285, 1360, 1460, 2056, 2482, 2570, 2920, 4112, 4369, 4964, 5140, 5840, 6205, 8738, 9928, 10280, 12410, 17476, 18761, 19856, 20560, 21845, 24820, 34952, 37522, 43690, 49640, 69904, 75044, 87380, 93805, 99280, 150088, 174760, 187610, 300176, 318937, 349520, 375220, 637874, 750440, 1275748, 1500880, 1594685, 2551496, 3189370, 5102992, 6378740, 12757480, 25514960]

約数ペア:

[(1, 25514960), (2, 12757480), (4, 6378740), (5, 5102992), (8, 3189370), (10, 2551496), (16, 1594685), (17, 1500880), (20, 1275748), (34, 750440), (40, 637874), (68, 375220), (73, 349520), (80, 318937), (85, 300176), (136, 187610), (146, 174760), (170, 150088), (257, 99280), (272, 93805), (292, 87380), (340, 75044), (365, 69904), (514, 49640), (584, 43690), (680, 37522), (730, 34952), (1028, 24820), (1168, 21845), (1241, 20560), (1285, 19856), (1360, 18761), (1460, 17476), (2056, 12410), (2482, 10280), (2570, 9928), (2920, 8738), (4112, 6205), (4369, 5840), (4964, 5140)]