51396020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197677}}^1$

素因数の和:197699

約数の個数: 24

約数和(自身を含む): 116234664

約数和(自身を除く): 64838644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197677, 395354, 790708, 988385, 1976770, 2569801, 3953540, 5139602, 10279204, 12849005, 25698010, 51396020]

約数ペア:

[(1, 51396020), (2, 25698010), (4, 12849005), (5, 10279204), (10, 5139602), (13, 3953540), (20, 2569801), (26, 1976770), (52, 988385), (65, 790708), (130, 395354), (260, 197677)]