25307720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21817}}^1$

素因数の和:21857

約数の個数: 32

約数和(自身を含む): 58908600

約数和(自身を除く): 33600880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 21817, 43634, 87268, 109085, 174536, 218170, 436340, 632693, 872680, 1265386, 2530772, 3163465, 5061544, 6326930, 12653860, 25307720]

約数ペア:

[(1, 25307720), (2, 12653860), (4, 6326930), (5, 5061544), (8, 3163465), (10, 2530772), (20, 1265386), (29, 872680), (40, 632693), (58, 436340), (116, 218170), (145, 174536), (232, 109085), (290, 87268), (580, 43634), (1160, 21817)]