201089680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228511}}^1$

素因数の和:228535

約数の個数: 40

約数和(自身を含む): 510038784

約数和(自身を除く): 308949104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228511, 457022, 914044, 1142555, 1828088, 2285110, 2513621, 3656176, 4570220, 5027242, 9140440, 10054484, 12568105, 18280880, 20108968, 25136210, 40217936, 50272420, 100544840, 201089680]

約数ペア:

[(1, 201089680), (2, 100544840), (4, 50272420), (5, 40217936), (8, 25136210), (10, 20108968), (11, 18280880), (16, 12568105), (20, 10054484), (22, 9140440), (40, 5027242), (44, 4570220), (55, 3656176), (80, 2513621), (88, 2285110), (110, 1828088), (176, 1142555), (220, 914044), (440, 457022), (880, 228511)]