72490225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1511}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 95618880

約数和(自身を除く): 23128655

約数列:

[1, 5, 19, 25, 95, 101, 475, 505, 1511, 1919, 2525, 7555, 9595, 28709, 37775, 47975, 143545, 152611, 717725, 763055, 2899609, 3815275, 14498045, 72490225]

約数ペア:

[(1, 72490225), (5, 14498045), (19, 3815275), (25, 2899609), (95, 763055), (101, 717725), (475, 152611), (505, 143545), (1511, 47975), (1919, 37775), (2525, 28709), (7555, 9595)]