87391840

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5011}}^1$

素因数の和:5135

約数の個数: 48

約数和(自身を含む): 208398960

約数和(自身を除く): 121007120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 5011, 8720, 10022, 17440, 20044, 25055, 40088, 50110, 80176, 100220, 160352, 200440, 400880, 546199, 801760, 1092398, 2184796, 2730995, 4369592, 5461990, 8739184, 10923980, 17478368, 21847960, 43695920, 87391840]

約数ペア:

[(1, 87391840), (2, 43695920), (4, 21847960), (5, 17478368), (8, 10923980), (10, 8739184), (16, 5461990), (20, 4369592), (32, 2730995), (40, 2184796), (80, 1092398), (109, 801760), (160, 546199), (218, 400880), (436, 200440), (545, 160352), (872, 100220), (1090, 80176), (1744, 50110), (2180, 40088), (3488, 25055), (4360, 20044), (5011, 17440), (8720, 10022)]