12195860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 26671680

約数和(自身を除く): 14475820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 139, 164, 205, 214, 278, 410, 428, 535, 556, 695, 820, 1070, 1390, 2140, 2780, 4387, 5699, 8774, 11398, 14873, 17548, 21935, 22796, 28495, 29746, 43870, 56990, 59492, 74365, 87740, 113980, 148730, 297460, 609793, 1219586, 2439172, 3048965, 6097930, 12195860]

約数ペア:

[(1, 12195860), (2, 6097930), (4, 3048965), (5, 2439172), (10, 1219586), (20, 609793), (41, 297460), (82, 148730), (107, 113980), (139, 87740), (164, 74365), (205, 59492), (214, 56990), (278, 43870), (410, 29746), (428, 28495), (535, 22796), (556, 21935), (695, 17548), (820, 14873), (1070, 11398), (1390, 8774), (2140, 5699), (2780, 4387)]