159953180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257989}}^1$

素因数の和:258029

約数の個数: 24

約数和(自身を含む): 346738560

約数和(自身を除く): 186785380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 257989, 515978, 1031956, 1289945, 2579890, 5159780, 7997659, 15995318, 31990636, 39988295, 79976590, 159953180]

約数ペア:

[(1, 159953180), (2, 79976590), (4, 39988295), (5, 31990636), (10, 15995318), (20, 7997659), (31, 5159780), (62, 2579890), (124, 1289945), (155, 1031956), (310, 515978), (620, 257989)]