25178140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{541}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 57365280

約数和(自身を除く): 32187140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 541, 716, 895, 1082, 1790, 2164, 2327, 2705, 3580, 4654, 5410, 7033, 9308, 10820, 11635, 14066, 23270, 28132, 35165, 46540, 70330, 96839, 140660, 193678, 387356, 484195, 968390, 1258907, 1936780, 2517814, 5035628, 6294535, 12589070, 25178140]

約数ペア:

[(1, 25178140), (2, 12589070), (4, 6294535), (5, 5035628), (10, 2517814), (13, 1936780), (20, 1258907), (26, 968390), (52, 484195), (65, 387356), (130, 193678), (179, 140660), (260, 96839), (358, 70330), (541, 46540), (716, 35165), (895, 28132), (1082, 23270), (1790, 14066), (2164, 11635), (2327, 10820), (2705, 9308), (3580, 7033), (4654, 5410)]