15690985880

素因数分解:

$2^3\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{143743}}^1$

素因数の和:146483

約数の個数: 32

約数和(自身を含む): 35317900800

約数和(自身を除く): 19626914920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2729, 5458, 10916, 13645, 21832, 27290, 54580, 109160, 143743, 287486, 574972, 718715, 1149944, 1437430, 2874860, 5749720, 392274647, 784549294, 1569098588, 1961373235, 3138197176, 3922746470, 7845492940, 15690985880]

約数ペア:

[(1, 15690985880), (2, 7845492940), (4, 3922746470), (5, 3138197176), (8, 1961373235), (10, 1569098588), (20, 784549294), (40, 392274647), (2729, 5749720), (5458, 2874860), (10916, 1437430), (13645, 1149944), (21832, 718715), (27290, 574972), (54580, 287486), (109160, 143743)]