27796940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 60170880

約数和(自身を除く): 32373940

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 241, 292, 316, 365, 395, 482, 730, 790, 964, 1205, 1460, 1580, 2410, 4820, 5767, 11534, 17593, 19039, 23068, 28835, 35186, 38078, 57670, 70372, 76156, 87965, 95195, 115340, 175930, 190390, 351860, 380780, 1389847, 2779694, 5559388, 6949235, 13898470, 27796940]

約数ペア:

[(1, 27796940), (2, 13898470), (4, 6949235), (5, 5559388), (10, 2779694), (20, 1389847), (73, 380780), (79, 351860), (146, 190390), (158, 175930), (241, 115340), (292, 95195), (316, 87965), (365, 76156), (395, 70372), (482, 57670), (730, 38078), (790, 35186), (964, 28835), (1205, 23068), (1460, 19039), (1580, 17593), (2410, 11534), (4820, 5767)]