1020808040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{77569}}^1$

素因数の和:77634

約数の個数: 64

約数和(自身を含む): 2680819200

約数和(自身を除く): 1660011160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 77569, 155138, 310276, 387845, 542983, 620552, 775690, 1085966, 1551380, 2171932, 2714915, 3102760, 3645743, 4343864, 5429830, 7291486, 10859660, 14582972, 18228715, 21719320, 25520201, 29165944, 36457430, 51040402, 72914860, 102080804, 127601005, 145829720, 204161608, 255202010, 510404020, 1020808040]

約数ペア:

[(1, 1020808040), (2, 510404020), (4, 255202010), (5, 204161608), (7, 145829720), (8, 127601005), (10, 102080804), (14, 72914860), (20, 51040402), (28, 36457430), (35, 29165944), (40, 25520201), (47, 21719320), (56, 18228715), (70, 14582972), (94, 10859660), (140, 7291486), (188, 5429830), (235, 4343864), (280, 3645743), (329, 3102760), (376, 2714915), (470, 2171932), (658, 1551380), (940, 1085966), (1316, 775690), (1645, 620552), (1880, 542983), (2632, 387845), (3290, 310276), (6580, 155138), (13160, 77569)]