210718280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{66683}}^1$

素因数の和:66773

約数の個数: 32

約数和(自身を含む): 480124800

約数和(自身を除く): 269406520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 66683, 133366, 266732, 333415, 533464, 666830, 1333660, 2667320, 5267957, 10535914, 21071828, 26339785, 42143656, 52679570, 105359140, 210718280]

約数ペア:

[(1, 210718280), (2, 105359140), (4, 52679570), (5, 42143656), (8, 26339785), (10, 21071828), (20, 10535914), (40, 5267957), (79, 2667320), (158, 1333660), (316, 666830), (395, 533464), (632, 333415), (790, 266732), (1580, 133366), (3160, 66683)]