851500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 2018016

約数和(自身を除く): 1166516

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, 650, 655, 1300, 1310, 1625, 1703, 2620, 3250, 3275, 3406, 6500, 6550, 6812, 8515, 13100, 16375, 17030, 32750, 34060, 42575, 65500, 85150, 170300, 212875, 425750, 851500]

約数ペア:

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