8701040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1857

約数の個数: 40

約数和(自身を含む): 20573088

約数和(自身を除く): 11872048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1783, 2440, 3566, 4880, 7132, 8915, 14264, 17830, 28528, 35660, 71320, 108763, 142640, 217526, 435052, 543815, 870104, 1087630, 1740208, 2175260, 4350520, 8701040]

約数ペア:

[(1, 8701040), (2, 4350520), (4, 2175260), (5, 1740208), (8, 1087630), (10, 870104), (16, 543815), (20, 435052), (40, 217526), (61, 142640), (80, 108763), (122, 71320), (244, 35660), (305, 28528), (488, 17830), (610, 14264), (976, 8915), (1220, 7132), (1783, 4880), (2440, 3566)]