2158280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 4924800

約数和(自身を除く): 2766520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 683, 790, 1366, 1580, 2732, 3160, 3415, 5464, 6830, 13660, 27320, 53957, 107914, 215828, 269785, 431656, 539570, 1079140, 2158280]

約数ペア:

[(1, 2158280), (2, 1079140), (4, 539570), (5, 431656), (8, 269785), (10, 215828), (20, 107914), (40, 53957), (79, 27320), (158, 13660), (316, 6830), (395, 5464), (632, 3415), (683, 3160), (790, 2732), (1366, 1580)]