39273440

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 93169440

約数和(自身を除く): 53896000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 631, 778, 1262, 1556, 1945, 2524, 3112, 3155, 3890, 5048, 6224, 6310, 7780, 10096, 12448, 12620, 15560, 20192, 25240, 31120, 50480, 62240, 100960, 245459, 490918, 981836, 1227295, 1963672, 2454590, 3927344, 4909180, 7854688, 9818360, 19636720, 39273440]

約数ペア:

[(1, 39273440), (2, 19636720), (4, 9818360), (5, 7854688), (8, 4909180), (10, 3927344), (16, 2454590), (20, 1963672), (32, 1227295), (40, 981836), (80, 490918), (160, 245459), (389, 100960), (631, 62240), (778, 50480), (1262, 31120), (1556, 25240), (1945, 20192), (2524, 15560), (3112, 12620), (3155, 12448), (3890, 10096), (5048, 7780), (6224, 6310)]