12753880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5227}}^1$

素因数の和:5299

約数の個数: 32

約数和(自身を含む): 29172240

約数和(自身を除く): 16418360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5227, 10454, 20908, 26135, 41816, 52270, 104540, 209080, 318847, 637694, 1275388, 1594235, 2550776, 3188470, 6376940, 12753880]

約数ペア:

[(1, 12753880), (2, 6376940), (4, 3188470), (5, 2550776), (8, 1594235), (10, 1275388), (20, 637694), (40, 318847), (61, 209080), (122, 104540), (244, 52270), (305, 41816), (488, 26135), (610, 20908), (1220, 10454), (2440, 5227)]