172380260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{663001}}^1$

素因数の和:663023

約数の個数: 24

約数和(自身を含む): 389845176

約数和(自身を除く): 217464916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 663001, 1326002, 2652004, 3315005, 6630010, 8619013, 13260020, 17238026, 34476052, 43095065, 86190130, 172380260]

約数ペア:

[(1, 172380260), (2, 86190130), (4, 43095065), (5, 34476052), (10, 17238026), (13, 13260020), (20, 8619013), (26, 6630010), (52, 3315005), (65, 2652004), (130, 1326002), (260, 663001)]