25156770040

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1237}}^1\times {\mathrm{1307}}^1$

素因数の和:2944

約数の個数: 64

約数和(自身を含む): 56837570400

約数和(自身を除く): 31680800360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1237, 1307, 1556, 1945, 2474, 2614, 3112, 3890, 4948, 5228, 6185, 6535, 7780, 9896, 10456, 12370, 13070, 15560, 24740, 26140, 49480, 52280, 481193, 508423, 962386, 1016846, 1616759, 1924772, 2033692, 2405965, 2542115, 3233518, 3849544, 4067384, 4811930, 5084230, 6467036, 8083795, 9623860, 10168460, 12934072, 16167590, 19247720, 20336920, 32335180, 64670360, 628919251, 1257838502, 2515677004, 3144596255, 5031354008, 6289192510, 12578385020, 25156770040]

約数ペア:

[(1, 25156770040), (2, 12578385020), (4, 6289192510), (5, 5031354008), (8, 3144596255), (10, 2515677004), (20, 1257838502), (40, 628919251), (389, 64670360), (778, 32335180), (1237, 20336920), (1307, 19247720), (1556, 16167590), (1945, 12934072), (2474, 10168460), (2614, 9623860), (3112, 8083795), (3890, 6467036), (4948, 5084230), (5228, 4811930), (6185, 4067384), (6535, 3849544), (7780, 3233518), (9896, 2542115), (10456, 2405965), (12370, 2033692), (13070, 1924772), (15560, 1616759), (24740, 1016846), (26140, 962386), (49480, 508423), (52280, 481193)]