12157160

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{619}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 27453600

約数和(自身を除く): 15296440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 619, 982, 1238, 1964, 2455, 2476, 3095, 3928, 4910, 4952, 6190, 9820, 12380, 19640, 24760, 303929, 607858, 1215716, 1519645, 2431432, 3039290, 6078580, 12157160]

約数ペア:

[(1, 12157160), (2, 6078580), (4, 3039290), (5, 2431432), (8, 1519645), (10, 1215716), (20, 607858), (40, 303929), (491, 24760), (619, 19640), (982, 12380), (1238, 9820), (1964, 6190), (2455, 4952), (2476, 4910), (3095, 3928)]