39711620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 93461760

約数和(自身を除く): 53750140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 379, 403, 620, 676, 758, 806, 845, 1516, 1612, 1690, 1895, 2015, 3380, 3790, 4030, 4927, 5239, 7580, 8060, 9854, 10478, 11749, 19708, 20956, 23498, 24635, 26195, 46996, 49270, 52390, 58745, 64051, 98540, 104780, 117490, 128102, 152737, 234980, 256204, 305474, 320255, 610948, 640510, 763685, 1281020, 1527370, 1985581, 3054740, 3971162, 7942324, 9927905, 19855810, 39711620]

約数ペア:

[(1, 39711620), (2, 19855810), (4, 9927905), (5, 7942324), (10, 3971162), (13, 3054740), (20, 1985581), (26, 1527370), (31, 1281020), (52, 763685), (62, 640510), (65, 610948), (124, 320255), (130, 305474), (155, 256204), (169, 234980), (260, 152737), (310, 128102), (338, 117490), (379, 104780), (403, 98540), (620, 64051), (676, 58745), (758, 52390), (806, 49270), (845, 46996), (1516, 26195), (1612, 24635), (1690, 23498), (1895, 20956), (2015, 19708), (3380, 11749), (3790, 10478), (4030, 9854), (4927, 8060), (5239, 7580)]