2189720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4211}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 5307120

約数和(自身を除く): 3117400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4211, 8422, 16844, 21055, 33688, 42110, 54743, 84220, 109486, 168440, 218972, 273715, 437944, 547430, 1094860, 2189720]

約数ペア:

[(1, 2189720), (2, 1094860), (4, 547430), (5, 437944), (8, 273715), (10, 218972), (13, 168440), (20, 109486), (26, 84220), (40, 54743), (52, 42110), (65, 33688), (104, 21055), (130, 16844), (260, 8422), (520, 4211)]