86439920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22051}}^1$

素因数の和:22078

約数の個数: 60

約数和(自身を含む): 233795304

約数和(自身を除く): 147355384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 22051, 44102, 88204, 110255, 154357, 176408, 220510, 308714, 352816, 441020, 617428, 771785, 882040, 1080499, 1234856, 1543570, 1764080, 2160998, 2469712, 3087140, 4321996, 5402495, 6174280, 8643992, 10804990, 12348560, 17287984, 21609980, 43219960, 86439920]

約数ペア:

[(1, 86439920), (2, 43219960), (4, 21609980), (5, 17287984), (7, 12348560), (8, 10804990), (10, 8643992), (14, 6174280), (16, 5402495), (20, 4321996), (28, 3087140), (35, 2469712), (40, 2160998), (49, 1764080), (56, 1543570), (70, 1234856), (80, 1080499), (98, 882040), (112, 771785), (140, 617428), (196, 441020), (245, 352816), (280, 308714), (392, 220510), (490, 176408), (560, 154357), (784, 110255), (980, 88204), (1960, 44102), (3920, 22051)]