966881680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{294781}}^1$

素因数の和:294835

約数の個数: 40

約数和(自身を含む): 2302836984

約数和(自身を除く): 1335955304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 294781, 589562, 1179124, 1473905, 2358248, 2947810, 4716496, 5895620, 11791240, 12086021, 23582480, 24172042, 48344084, 60430105, 96688168, 120860210, 193376336, 241720420, 483440840, 966881680]

約数ペア:

[(1, 966881680), (2, 483440840), (4, 241720420), (5, 193376336), (8, 120860210), (10, 96688168), (16, 60430105), (20, 48344084), (40, 24172042), (41, 23582480), (80, 12086021), (82, 11791240), (164, 5895620), (205, 4716496), (328, 2947810), (410, 2358248), (656, 1473905), (820, 1179124), (1640, 589562), (3280, 294781)]