25717160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13121}}^1$

素因数の和:13146

約数の個数: 48

約数和(自身を含む): 67315860

約数和(自身を除く): 41598700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13121, 26242, 52484, 65605, 91847, 104968, 131210, 183694, 262420, 367388, 459235, 524840, 642929, 734776, 918470, 1285858, 1836940, 2571716, 3214645, 3673880, 5143432, 6429290, 12858580, 25717160]

約数ペア:

[(1, 25717160), (2, 12858580), (4, 6429290), (5, 5143432), (7, 3673880), (8, 3214645), (10, 2571716), (14, 1836940), (20, 1285858), (28, 918470), (35, 734776), (40, 642929), (49, 524840), (56, 459235), (70, 367388), (98, 262420), (140, 183694), (196, 131210), (245, 104968), (280, 91847), (392, 65605), (490, 52484), (980, 26242), (1960, 13121)]