25084520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 61436880

約数和(自身を除く): 36352360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 997, 1258, 1480, 1994, 2516, 3145, 3988, 4985, 5032, 6290, 7976, 9970, 12580, 16949, 19940, 25160, 33898, 36889, 39880, 67796, 73778, 84745, 135592, 147556, 169490, 184445, 295112, 338980, 368890, 627113, 677960, 737780, 1254226, 1475560, 2508452, 3135565, 5016904, 6271130, 12542260, 25084520]

約数ペア:

[(1, 25084520), (2, 12542260), (4, 6271130), (5, 5016904), (8, 3135565), (10, 2508452), (17, 1475560), (20, 1254226), (34, 737780), (37, 677960), (40, 627113), (68, 368890), (74, 338980), (85, 295112), (136, 184445), (148, 169490), (170, 147556), (185, 135592), (296, 84745), (340, 73778), (370, 67796), (629, 39880), (680, 36889), (740, 33898), (997, 25160), (1258, 19940), (1480, 16949), (1994, 12580), (2516, 9970), (3145, 7976), (3988, 6290), (4985, 5032)]