26261480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 68532480

約数和(自身を除く): 42271000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1321, 1420, 1988, 2485, 2642, 2840, 3976, 4970, 5284, 6605, 9247, 9940, 10568, 13210, 18494, 19880, 26420, 36988, 46235, 52840, 73976, 92470, 93791, 184940, 187582, 369880, 375164, 468955, 656537, 750328, 937910, 1313074, 1875820, 2626148, 3282685, 3751640, 5252296, 6565370, 13130740, 26261480]

約数ペア:

[(1, 26261480), (2, 13130740), (4, 6565370), (5, 5252296), (7, 3751640), (8, 3282685), (10, 2626148), (14, 1875820), (20, 1313074), (28, 937910), (35, 750328), (40, 656537), (56, 468955), (70, 375164), (71, 369880), (140, 187582), (142, 184940), (280, 93791), (284, 92470), (355, 73976), (497, 52840), (568, 46235), (710, 36988), (994, 26420), (1321, 19880), (1420, 18494), (1988, 13210), (2485, 10568), (2642, 9940), (2840, 9247), (3976, 6605), (4970, 5284)]