73221980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281623}}^1$

素因数の和:281645

約数の個数: 24

約数和(自身を含む): 165594912

約数和(自身を除く): 92372932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281623, 563246, 1126492, 1408115, 2816230, 3661099, 5632460, 7322198, 14644396, 18305495, 36610990, 73221980]

約数ペア:

[(1, 73221980), (2, 36610990), (4, 18305495), (5, 14644396), (10, 7322198), (13, 5632460), (20, 3661099), (26, 2816230), (52, 1408115), (65, 1126492), (130, 563246), (260, 281623)]