80242975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8209}}^1$

素因数の和:8259

約数の個数: 24

約数和(自身を含む): 109948320

約数和(自身を除く): 29705345

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 8209, 9775, 41045, 139553, 188807, 205225, 697765, 944035, 3209719, 3488825, 4720175, 16048595, 80242975]

約数ペア:

[(1, 80242975), (5, 16048595), (17, 4720175), (23, 3488825), (25, 3209719), (85, 944035), (115, 697765), (391, 205225), (425, 188807), (575, 139553), (1955, 41045), (8209, 9775)]