4257500

素因数分解:

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

素因数の和:168

約数の個数: 60

約数和(自身を含む): 10103016

約数和(自身を除く): 5845516

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 131, 250, 260, 262, 325, 500, 524, 625, 650, 655, 1250, 1300, 1310, 1625, 1703, 2500, 2620, 3250, 3275, 3406, 6500, 6550, 6812, 8125, 8515, 13100, 16250, 16375, 17030, 32500, 32750, 34060, 42575, 65500, 81875, 85150, 163750, 170300, 212875, 327500, 425750, 851500, 1064375, 2128750, 4257500]

約数ペア:

[(1, 4257500), (2, 2128750), (4, 1064375), (5, 851500), (10, 425750), (13, 327500), (20, 212875), (25, 170300), (26, 163750), (50, 85150), (52, 81875), (65, 65500), (100, 42575), (125, 34060), (130, 32750), (131, 32500), (250, 17030), (260, 16375), (262, 16250), (325, 13100), (500, 8515), (524, 8125), (625, 6812), (650, 6550), (655, 6500), (1250, 3406), (1300, 3275), (1310, 3250), (1625, 2620), (1703, 2500)]