2681330200040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{3811523}}^1$

素因数の和:3811986

約数の個数: 64

約数和(自身を含む): 6188390366400

約数和(自身を除く): 3507060166360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 409, 430, 818, 860, 1636, 1720, 2045, 3272, 4090, 8180, 16360, 17587, 35174, 70348, 87935, 140696, 175870, 351740, 703480, 3811523, 7623046, 15246092, 19057615, 30492184, 38115230, 76230460, 152460920, 163895489, 327790978, 655581956, 819477445, 1311163912, 1558912907, 1638954890, 3117825814, 3277909780, 6235651628, 6555819560, 7794564535, 12471303256, 15589129070, 31178258140, 62356516280, 67033255001, 134066510002, 268133020004, 335166275005, 536266040008, 670332550010, 1340665100020, 2681330200040]

約数ペア:

[(1, 2681330200040), (2, 1340665100020), (4, 670332550010), (5, 536266040008), (8, 335166275005), (10, 268133020004), (20, 134066510002), (40, 67033255001), (43, 62356516280), (86, 31178258140), (172, 15589129070), (215, 12471303256), (344, 7794564535), (409, 6555819560), (430, 6235651628), (818, 3277909780), (860, 3117825814), (1636, 1638954890), (1720, 1558912907), (2045, 1311163912), (3272, 819477445), (4090, 655581956), (8180, 327790978), (16360, 163895489), (17587, 152460920), (35174, 76230460), (70348, 38115230), (87935, 30492184), (140696, 19057615), (175870, 15246092), (351740, 7623046), (703480, 3811523)]