187739920

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8923}}^1$

素因数の和:9199

約数の個数: 40

約数和(自身を含む): 438204096

約数和(自身を除く): 250464176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 8923, 10520, 17846, 21040, 35692, 44615, 71384, 89230, 142768, 178460, 356920, 713840, 2346749, 4693498, 9386996, 11733745, 18773992, 23467490, 37547984, 46934980, 93869960, 187739920]

約数ペア:

[(1, 187739920), (2, 93869960), (4, 46934980), (5, 37547984), (8, 23467490), (10, 18773992), (16, 11733745), (20, 9386996), (40, 4693498), (80, 2346749), (263, 713840), (526, 356920), (1052, 178460), (1315, 142768), (2104, 89230), (2630, 71384), (4208, 44615), (5260, 35692), (8923, 21040), (10520, 17846)]