159961580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 343719936

約数和(自身を除く): 183758356

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 710, 887, 1270, 1420, 1774, 2540, 3548, 4435, 8870, 9017, 17740, 18034, 36068, 45085, 62977, 90170, 112649, 125954, 180340, 225298, 251908, 314885, 450596, 563245, 629770, 1126490, 1259540, 2252980, 7998079, 15996158, 31992316, 39990395, 79980790, 159961580]

約数ペア:

[(1, 159961580), (2, 79980790), (4, 39990395), (5, 31992316), (10, 15996158), (20, 7998079), (71, 2252980), (127, 1259540), (142, 1126490), (254, 629770), (284, 563245), (355, 450596), (508, 314885), (635, 251908), (710, 225298), (887, 180340), (1270, 125954), (1420, 112649), (1774, 90170), (2540, 62977), (3548, 45085), (4435, 36068), (8870, 18034), (9017, 17740)]