156979640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{74047}}^1$

素因数の和:74111

約数の個数: 32

約数和(自身を含む): 359873280

約数和(自身を除く): 202893640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 74047, 148094, 296188, 370235, 592376, 740470, 1480940, 2961880, 3924491, 7848982, 15697964, 19622455, 31395928, 39244910, 78489820, 156979640]

約数ペア:

[(1, 156979640), (2, 78489820), (4, 39244910), (5, 31395928), (8, 19622455), (10, 15697964), (20, 7848982), (40, 3924491), (53, 2961880), (106, 1480940), (212, 740470), (265, 592376), (424, 370235), (530, 296188), (1060, 148094), (2120, 74047)]