9973750

素因数分解:

$2^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 40

約数和(自身を含む): 19118880

約数和(自身を除く): 9145130

約数列:

[1, 2, 5, 10, 25, 50, 79, 101, 125, 158, 202, 250, 395, 505, 625, 790, 1010, 1250, 1975, 2525, 3950, 5050, 7979, 9875, 12625, 15958, 19750, 25250, 39895, 49375, 63125, 79790, 98750, 126250, 199475, 398950, 997375, 1994750, 4986875, 9973750]

約数ペア:

[(1, 9973750), (2, 4986875), (5, 1994750), (10, 997375), (25, 398950), (50, 199475), (79, 126250), (101, 98750), (125, 79790), (158, 63125), (202, 49375), (250, 39895), (395, 25250), (505, 19750), (625, 15958), (790, 12625), (1010, 9875), (1250, 7979), (1975, 5050), (2525, 3950)]