31002500

素因数分解:

$2^2\times 5^4\times {\mathrm{12401}}^1$

素因数の和:12425

約数の個数: 30

約数和(自身を含む): 67801734

約数和(自身を除く): 36799234

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 12401, 24802, 49604, 62005, 124010, 248020, 310025, 620050, 1240100, 1550125, 3100250, 6200500, 7750625, 15501250, 31002500]

約数ペア:

[(1, 31002500), (2, 15501250), (4, 7750625), (5, 6200500), (10, 3100250), (20, 1550125), (25, 1240100), (50, 620050), (100, 310025), (125, 248020), (250, 124010), (500, 62005), (625, 49604), (1250, 24802), (2500, 12401)]