72027280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69257}}^1$

素因数の和:69283

約数の個数: 40

約数和(自身を含む): 180347832

約数和(自身を除く): 108320552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69257, 138514, 277028, 346285, 554056, 692570, 900341, 1108112, 1385140, 1800682, 2770280, 3601364, 4501705, 5540560, 7202728, 9003410, 14405456, 18006820, 36013640, 72027280]

約数ペア:

[(1, 72027280), (2, 36013640), (4, 18006820), (5, 14405456), (8, 9003410), (10, 7202728), (13, 5540560), (16, 4501705), (20, 3601364), (26, 2770280), (40, 1800682), (52, 1385140), (65, 1108112), (80, 900341), (104, 692570), (130, 554056), (208, 346285), (260, 277028), (520, 138514), (1040, 69257)]