25749320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 59241780

約数和(自身を除く): 33492460

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 173, 244, 305, 346, 488, 610, 692, 865, 1220, 1384, 1730, 2440, 3460, 3721, 6920, 7442, 10553, 14884, 18605, 21106, 29768, 37210, 42212, 52765, 74420, 84424, 105530, 148840, 211060, 422120, 643733, 1287466, 2574932, 3218665, 5149864, 6437330, 12874660, 25749320]

約数ペア:

[(1, 25749320), (2, 12874660), (4, 6437330), (5, 5149864), (8, 3218665), (10, 2574932), (20, 1287466), (40, 643733), (61, 422120), (122, 211060), (173, 148840), (244, 105530), (305, 84424), (346, 74420), (488, 52765), (610, 42212), (692, 37210), (865, 29768), (1220, 21106), (1384, 18605), (1730, 14884), (2440, 10553), (3460, 7442), (3721, 6920)]