23511020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 54905088

約数和(自身を除く): 31394068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2917, 4030, 5834, 8060, 11668, 14585, 29170, 37921, 58340, 75842, 90427, 151684, 180854, 189605, 361708, 379210, 452135, 758420, 904270, 1175551, 1808540, 2351102, 4702204, 5877755, 11755510, 23511020]

約数ペア:

[(1, 23511020), (2, 11755510), (4, 5877755), (5, 4702204), (10, 2351102), (13, 1808540), (20, 1175551), (26, 904270), (31, 758420), (52, 452135), (62, 379210), (65, 361708), (124, 189605), (130, 180854), (155, 151684), (260, 90427), (310, 75842), (403, 58340), (620, 37921), (806, 29170), (1612, 14585), (2015, 11668), (2917, 8060), (4030, 5834)]