15664091990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1\times {\mathrm{17551}}^1$

素因数の和:20468

約数の個数: 32

約数和(自身を含む): 29116661760

約数和(自身を除く): 13452569770

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2879, 5758, 14395, 17551, 28790, 35102, 87755, 89249, 175510, 178498, 446245, 544081, 892490, 1088162, 2720405, 5440810, 50529329, 101058658, 252646645, 505293290, 1566409199, 3132818398, 7832045995, 15664091990]

約数ペア:

[(1, 15664091990), (2, 7832045995), (5, 3132818398), (10, 1566409199), (31, 505293290), (62, 252646645), (155, 101058658), (310, 50529329), (2879, 5440810), (5758, 2720405), (14395, 1088162), (17551, 892490), (28790, 544081), (35102, 446245), (87755, 178498), (89249, 175510)]