25245280

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1901}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 60392304

約数和(自身を除く): 35147024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 1901, 2656, 3320, 3802, 6640, 7604, 9505, 13280, 15208, 19010, 30416, 38020, 60832, 76040, 152080, 157783, 304160, 315566, 631132, 788915, 1262264, 1577830, 2524528, 3155660, 5049056, 6311320, 12622640, 25245280]

約数ペア:

[(1, 25245280), (2, 12622640), (4, 6311320), (5, 5049056), (8, 3155660), (10, 2524528), (16, 1577830), (20, 1262264), (32, 788915), (40, 631132), (80, 315566), (83, 304160), (160, 157783), (166, 152080), (332, 76040), (415, 60832), (664, 38020), (830, 30416), (1328, 19010), (1660, 15208), (1901, 13280), (2656, 9505), (3320, 7604), (3802, 6640)]