2600900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:884

約数の個数: 36

約数和(自身を含む): 5832960

約数和(自身を除く): 3232060

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 839, 1550, 1678, 3100, 3356, 4195, 8390, 16780, 20975, 26009, 41950, 52018, 83900, 104036, 130045, 260090, 520180, 650225, 1300450, 2600900]

約数ペア:

[(1, 2600900), (2, 1300450), (4, 650225), (5, 520180), (10, 260090), (20, 130045), (25, 104036), (31, 83900), (50, 52018), (62, 41950), (100, 26009), (124, 20975), (155, 16780), (310, 8390), (620, 4195), (775, 3356), (839, 3100), (1550, 1678)]