2016019960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1\times {\mathrm{977}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 4605206400

約数和(自身を除く): 2589186440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 653, 790, 977, 1306, 1580, 1954, 2612, 3160, 3265, 3908, 4885, 5224, 6530, 7816, 9770, 13060, 19540, 26120, 39080, 51587, 77183, 103174, 154366, 206348, 257935, 308732, 385915, 412696, 515870, 617464, 637981, 771830, 1031740, 1275962, 1543660, 2063480, 2551924, 3087320, 3189905, 5103848, 6379810, 12759620, 25519240, 50400499, 100800998, 201601996, 252002495, 403203992, 504004990, 1008009980, 2016019960]

約数ペア:

[(1, 2016019960), (2, 1008009980), (4, 504004990), (5, 403203992), (8, 252002495), (10, 201601996), (20, 100800998), (40, 50400499), (79, 25519240), (158, 12759620), (316, 6379810), (395, 5103848), (632, 3189905), (653, 3087320), (790, 2551924), (977, 2063480), (1306, 1543660), (1580, 1275962), (1954, 1031740), (2612, 771830), (3160, 637981), (3265, 617464), (3908, 515870), (4885, 412696), (5224, 385915), (6530, 308732), (7816, 257935), (9770, 206348), (13060, 154366), (19540, 103174), (26120, 77183), (39080, 51587)]