25218052940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{218641}}^1$

素因数の和:218802

約数の個数: 48

約数和(自身を含む): 54363146880

約数和(自身を除く): 29145093940

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 730, 790, 1460, 1580, 5767, 11534, 23068, 28835, 57670, 115340, 218641, 437282, 874564, 1093205, 2186410, 4372820, 15960793, 17272639, 31921586, 34545278, 63843172, 69090556, 79803965, 86363195, 159607930, 172726390, 319215860, 345452780, 1260902647, 2521805294, 5043610588, 6304513235, 12609026470, 25218052940]

約数ペア:

[(1, 25218052940), (2, 12609026470), (4, 6304513235), (5, 5043610588), (10, 2521805294), (20, 1260902647), (73, 345452780), (79, 319215860), (146, 172726390), (158, 159607930), (292, 86363195), (316, 79803965), (365, 69090556), (395, 63843172), (730, 34545278), (790, 31921586), (1460, 17272639), (1580, 15960793), (5767, 4372820), (11534, 2186410), (23068, 1093205), (28835, 874564), (57670, 437282), (115340, 218641)]