85897840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1154

約数の個数: 80

約数和(自身を含む): 229931712

約数和(自身を除く): 144033872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 977, 1099, 1256, 1570, 1954, 2198, 2512, 3140, 3908, 4396, 4885, 5495, 6280, 6839, 7816, 8792, 9770, 10990, 12560, 13678, 15632, 17584, 19540, 21980, 27356, 34195, 39080, 43960, 54712, 68390, 78160, 87920, 109424, 136780, 153389, 273560, 306778, 547120, 613556, 766945, 1073723, 1227112, 1533890, 2147446, 2454224, 3067780, 4294892, 5368615, 6135560, 8589784, 10737230, 12271120, 17179568, 21474460, 42948920, 85897840]

約数ペア:

[(1, 85897840), (2, 42948920), (4, 21474460), (5, 17179568), (7, 12271120), (8, 10737230), (10, 8589784), (14, 6135560), (16, 5368615), (20, 4294892), (28, 3067780), (35, 2454224), (40, 2147446), (56, 1533890), (70, 1227112), (80, 1073723), (112, 766945), (140, 613556), (157, 547120), (280, 306778), (314, 273560), (560, 153389), (628, 136780), (785, 109424), (977, 87920), (1099, 78160), (1256, 68390), (1570, 54712), (1954, 43960), (2198, 39080), (2512, 34195), (3140, 27356), (3908, 21980), (4396, 19540), (4885, 17584), (5495, 15632), (6280, 13678), (6839, 12560), (7816, 10990), (8792, 9770)]