268798480

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{10151}}^1$

素因数の和:10495

約数の個数: 40

約数和(自身を含む): 626906304

約数和(自身を除く): 358107824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 10151, 13240, 20302, 26480, 40604, 50755, 81208, 101510, 162416, 203020, 406040, 812080, 3359981, 6719962, 13439924, 16799905, 26879848, 33599810, 53759696, 67199620, 134399240, 268798480]

約数ペア:

[(1, 268798480), (2, 134399240), (4, 67199620), (5, 53759696), (8, 33599810), (10, 26879848), (16, 16799905), (20, 13439924), (40, 6719962), (80, 3359981), (331, 812080), (662, 406040), (1324, 203020), (1655, 162416), (2648, 101510), (3310, 81208), (5296, 50755), (6620, 40604), (10151, 26480), (13240, 20302)]