77189440

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2213}}^1$

素因数の和:2339

約数の個数: 56

約数和(自身を含む): 185577480

約数和(自身を除く): 108388040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 2213, 3488, 4360, 4426, 6976, 8720, 8852, 11065, 17440, 17704, 22130, 34880, 35408, 44260, 70816, 88520, 141632, 177040, 241217, 354080, 482434, 708160, 964868, 1206085, 1929736, 2412170, 3859472, 4824340, 7718944, 9648680, 15437888, 19297360, 38594720, 77189440]

約数ペア:

[(1, 77189440), (2, 38594720), (4, 19297360), (5, 15437888), (8, 9648680), (10, 7718944), (16, 4824340), (20, 3859472), (32, 2412170), (40, 1929736), (64, 1206085), (80, 964868), (109, 708160), (160, 482434), (218, 354080), (320, 241217), (436, 177040), (545, 141632), (872, 88520), (1090, 70816), (1744, 44260), (2180, 35408), (2213, 34880), (3488, 22130), (4360, 17704), (4426, 17440), (6976, 11065), (8720, 8852)]