61764820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12503}}^1$

素因数の和:12544

約数の個数: 48

約数和(自身を含む): 147047040

約数和(自身を除く): 85282220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 12503, 25006, 50012, 62515, 125030, 162539, 237557, 250060, 325078, 475114, 650156, 812695, 950228, 1187785, 1625390, 2375570, 3088241, 3250780, 4751140, 6176482, 12352964, 15441205, 30882410, 61764820]

約数ペア:

[(1, 61764820), (2, 30882410), (4, 15441205), (5, 12352964), (10, 6176482), (13, 4751140), (19, 3250780), (20, 3088241), (26, 2375570), (38, 1625390), (52, 1187785), (65, 950228), (76, 812695), (95, 650156), (130, 475114), (190, 325078), (247, 250060), (260, 237557), (380, 162539), (494, 125030), (988, 62515), (1235, 50012), (2470, 25006), (4940, 12503)]