12157580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19609}}^1$

素因数の和:19649

約数の個数: 24

約数和(自身を含む): 26355840

約数和(自身を除く): 14198260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19609, 39218, 78436, 98045, 196090, 392180, 607879, 1215758, 2431516, 3039395, 6078790, 12157580]

約数ペア:

[(1, 12157580), (2, 6078790), (4, 3039395), (5, 2431516), (10, 1215758), (20, 607879), (31, 392180), (62, 196090), (124, 98045), (155, 78436), (310, 39218), (620, 19609)]