201329375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 275536800

約数和(自身を除く): 74207425

約数列:

[1, 5, 13, 25, 65, 71, 125, 325, 349, 355, 625, 923, 1625, 1745, 1775, 4537, 4615, 8125, 8725, 8875, 22685, 23075, 24779, 43625, 44375, 113425, 115375, 123895, 218125, 322127, 567125, 576875, 619475, 1610635, 2835625, 3097375, 8053175, 15486875, 40265875, 201329375]

約数ペア:

[(1, 201329375), (5, 40265875), (13, 15486875), (25, 8053175), (65, 3097375), (71, 2835625), (125, 1610635), (325, 619475), (349, 576875), (355, 567125), (625, 322127), (923, 218125), (1625, 123895), (1745, 115375), (1775, 113425), (4537, 44375), (4615, 43625), (8125, 24779), (8725, 23075), (8875, 22685)]