16804501640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1\times {\mathrm{13249}}^1$

素因数の和:14154

約数の個数: 64

約数和(自身を含む): 38880270000

約数和(自身を除く): 22075768360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 857, 1480, 1714, 3428, 4285, 6856, 8570, 13249, 17140, 26498, 31709, 34280, 52996, 63418, 66245, 105992, 126836, 132490, 158545, 253672, 264980, 317090, 490213, 529960, 634180, 980426, 1268360, 1960852, 2451065, 3921704, 4902130, 9804260, 11354393, 19608520, 22708786, 45417572, 56771965, 90835144, 113543930, 227087860, 420112541, 454175720, 840225082, 1680450164, 2100562705, 3360900328, 4201125410, 8402250820, 16804501640]

約数ペア:

[(1, 16804501640), (2, 8402250820), (4, 4201125410), (5, 3360900328), (8, 2100562705), (10, 1680450164), (20, 840225082), (37, 454175720), (40, 420112541), (74, 227087860), (148, 113543930), (185, 90835144), (296, 56771965), (370, 45417572), (740, 22708786), (857, 19608520), (1480, 11354393), (1714, 9804260), (3428, 4902130), (4285, 3921704), (6856, 2451065), (8570, 1960852), (13249, 1268360), (17140, 980426), (26498, 634180), (31709, 529960), (34280, 490213), (52996, 317090), (63418, 264980), (66245, 253672), (105992, 158545), (126836, 132490)]