2610400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:284

約数の個数: 72

約数和(自身を含む): 6890184

約数和(自身を除く): 4279784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 251, 260, 325, 400, 416, 502, 520, 650, 800, 1004, 1040, 1255, 1300, 2008, 2080, 2510, 2600, 3263, 4016, 5020, 5200, 6275, 6526, 8032, 10040, 10400, 12550, 13052, 16315, 20080, 25100, 26104, 32630, 40160, 50200, 52208, 65260, 81575, 100400, 104416, 130520, 163150, 200800, 261040, 326300, 522080, 652600, 1305200, 2610400]

約数ペア:

[(1, 2610400), (2, 1305200), (4, 652600), (5, 522080), (8, 326300), (10, 261040), (13, 200800), (16, 163150), (20, 130520), (25, 104416), (26, 100400), (32, 81575), (40, 65260), (50, 52208), (52, 50200), (65, 40160), (80, 32630), (100, 26104), (104, 25100), (130, 20080), (160, 16315), (200, 13052), (208, 12550), (251, 10400), (260, 10040), (325, 8032), (400, 6526), (416, 6275), (502, 5200), (520, 5020), (650, 4016), (800, 3263), (1004, 2600), (1040, 2510), (1255, 2080), (1300, 2008)]