40720368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65257}}^1$

素因数の和:65281

約数の個数: 40

約数和(自身を含む): 113287888

約数和(自身を除く): 72567520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 65257, 130514, 195771, 261028, 391542, 522056, 783084, 848341, 1044112, 1566168, 1696682, 2545023, 3132336, 3393364, 5090046, 6786728, 10180092, 13573456, 20360184, 40720368]

約数ペア:

[(1, 40720368), (2, 20360184), (3, 13573456), (4, 10180092), (6, 6786728), (8, 5090046), (12, 3393364), (13, 3132336), (16, 2545023), (24, 1696682), (26, 1566168), (39, 1044112), (48, 848341), (52, 783084), (78, 522056), (104, 391542), (156, 261028), (208, 195771), (312, 130514), (624, 65257)]