2019972760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{6827}}^1$

素因数の和:7420

約数の個数: 64

約数和(自身を含む): 4903869600

約数和(自身を除く): 2883896840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 569, 1138, 2276, 2845, 4552, 5690, 6827, 7397, 11380, 13654, 14794, 22760, 27308, 29588, 34135, 36985, 54616, 59176, 68270, 73970, 88751, 136540, 147940, 177502, 273080, 295880, 355004, 443755, 710008, 887510, 1775020, 3550040, 3884563, 7769126, 15538252, 19422815, 31076504, 38845630, 50499319, 77691260, 100998638, 155382520, 201997276, 252496595, 403994552, 504993190, 1009986380, 2019972760]

約数ペア:

[(1, 2019972760), (2, 1009986380), (4, 504993190), (5, 403994552), (8, 252496595), (10, 201997276), (13, 155382520), (20, 100998638), (26, 77691260), (40, 50499319), (52, 38845630), (65, 31076504), (104, 19422815), (130, 15538252), (260, 7769126), (520, 3884563), (569, 3550040), (1138, 1775020), (2276, 887510), (2845, 710008), (4552, 443755), (5690, 355004), (6827, 295880), (7397, 273080), (11380, 177502), (13654, 147940), (14794, 136540), (22760, 88751), (27308, 73970), (29588, 68270), (34135, 59176), (36985, 54616)]