2128750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:166

約数の個数: 40

約数和(自身を含む): 4329864

約数和(自身を除く): 2201114

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 131, 250, 262, 325, 625, 650, 655, 1250, 1310, 1625, 1703, 3250, 3275, 3406, 6550, 8125, 8515, 16250, 16375, 17030, 32750, 42575, 81875, 85150, 163750, 212875, 425750, 1064375, 2128750]

約数ペア:

[(1, 2128750), (2, 1064375), (5, 425750), (10, 212875), (13, 163750), (25, 85150), (26, 81875), (50, 42575), (65, 32750), (125, 17030), (130, 16375), (131, 16250), (250, 8515), (262, 8125), (325, 6550), (625, 3406), (650, 3275), (655, 3250), (1250, 1703), (1310, 1625)]