64607120

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1823}}^1$

素因数の和:2279

約数の個数: 40

約数和(自身を含む): 150633216

約数和(自身を除く): 86026096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 1823, 2215, 3544, 3646, 4430, 7088, 7292, 8860, 9115, 14584, 17720, 18230, 29168, 35440, 36460, 72920, 145840, 807589, 1615178, 3230356, 4037945, 6460712, 8075890, 12921424, 16151780, 32303560, 64607120]

約数ペア:

[(1, 64607120), (2, 32303560), (4, 16151780), (5, 12921424), (8, 8075890), (10, 6460712), (16, 4037945), (20, 3230356), (40, 1615178), (80, 807589), (443, 145840), (886, 72920), (1772, 36460), (1823, 35440), (2215, 29168), (3544, 18230), (3646, 17720), (4430, 14584), (7088, 9115), (7292, 8860)]