51498640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^2\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 60

約数和(自身を含む): 122433012

約数和(自身を除く): 70934372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 173, 244, 305, 346, 488, 610, 692, 865, 976, 1220, 1384, 1730, 2440, 2768, 3460, 3721, 4880, 6920, 7442, 10553, 13840, 14884, 18605, 21106, 29768, 37210, 42212, 52765, 59536, 74420, 84424, 105530, 148840, 168848, 211060, 297680, 422120, 643733, 844240, 1287466, 2574932, 3218665, 5149864, 6437330, 10299728, 12874660, 25749320, 51498640]

約数ペア:

[(1, 51498640), (2, 25749320), (4, 12874660), (5, 10299728), (8, 6437330), (10, 5149864), (16, 3218665), (20, 2574932), (40, 1287466), (61, 844240), (80, 643733), (122, 422120), (173, 297680), (244, 211060), (305, 168848), (346, 148840), (488, 105530), (610, 84424), (692, 74420), (865, 59536), (976, 52765), (1220, 42212), (1384, 37210), (1730, 29768), (2440, 21106), (2768, 18605), (3460, 14884), (3721, 13840), (4880, 10553), (6920, 7442)]