99990880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56813}}^1$

素因数の和:56839

約数の個数: 48

約数和(自身を含む): 257708304

約数和(自身を除く): 157717424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 56813, 113626, 227252, 284065, 454504, 568130, 624943, 909008, 1136260, 1249886, 1818016, 2272520, 2499772, 3124715, 4545040, 4999544, 6249430, 9090080, 9999088, 12498860, 19998176, 24997720, 49995440, 99990880]

約数ペア:

[(1, 99990880), (2, 49995440), (4, 24997720), (5, 19998176), (8, 12498860), (10, 9999088), (11, 9090080), (16, 6249430), (20, 4999544), (22, 4545040), (32, 3124715), (40, 2499772), (44, 2272520), (55, 1818016), (80, 1249886), (88, 1136260), (110, 909008), (160, 624943), (176, 568130), (220, 454504), (352, 284065), (440, 227252), (880, 113626), (1760, 56813)]