66770140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 145170144

約数和(自身を除く): 78400004

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 761, 820, 1070, 1522, 2140, 3044, 3805, 4387, 7610, 8774, 15220, 17548, 21935, 31201, 43870, 62402, 81427, 87740, 124804, 156005, 162854, 312010, 325708, 407135, 624020, 814270, 1628540, 3338507, 6677014, 13354028, 16692535, 33385070, 66770140]

約数ペア:

[(1, 66770140), (2, 33385070), (4, 16692535), (5, 13354028), (10, 6677014), (20, 3338507), (41, 1628540), (82, 814270), (107, 624020), (164, 407135), (205, 325708), (214, 312010), (410, 162854), (428, 156005), (535, 124804), (761, 87740), (820, 81427), (1070, 62402), (1522, 43870), (2140, 31201), (3044, 21935), (3805, 17548), (4387, 15220), (7610, 8774)]