71792240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69031}}^1$

素因数の和:69057

約数の個数: 40

約数和(自身を含む): 179759328

約数和(自身を除く): 107967088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69031, 138062, 276124, 345155, 552248, 690310, 897403, 1104496, 1380620, 1794806, 2761240, 3589612, 4487015, 5522480, 7179224, 8974030, 14358448, 17948060, 35896120, 71792240]

約数ペア:

[(1, 71792240), (2, 35896120), (4, 17948060), (5, 14358448), (8, 8974030), (10, 7179224), (13, 5522480), (16, 4487015), (20, 3589612), (26, 2761240), (40, 1794806), (52, 1380620), (65, 1104496), (80, 897403), (104, 690310), (130, 552248), (208, 345155), (260, 276124), (520, 138062), (1040, 69031)]