2553200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:522

約数の個数: 60

約数和(自身を含む): 6619368

約数和(自身を除く): 4066168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 491, 520, 650, 982, 1040, 1300, 1964, 2455, 2600, 3928, 4910, 5200, 6383, 7856, 9820, 12275, 12766, 19640, 24550, 25532, 31915, 39280, 49100, 51064, 63830, 98200, 102128, 127660, 159575, 196400, 255320, 319150, 510640, 638300, 1276600, 2553200]

約数ペア:

[(1, 2553200), (2, 1276600), (4, 638300), (5, 510640), (8, 319150), (10, 255320), (13, 196400), (16, 159575), (20, 127660), (25, 102128), (26, 98200), (40, 63830), (50, 51064), (52, 49100), (65, 39280), (80, 31915), (100, 25532), (104, 24550), (130, 19640), (200, 12766), (208, 12275), (260, 9820), (325, 7856), (400, 6383), (491, 5200), (520, 4910), (650, 3928), (982, 2600), (1040, 2455), (1300, 1964)]