2030500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 4612608

約数和(自身を除く): 2582108

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 131, 155, 250, 262, 310, 500, 524, 620, 655, 775, 1310, 1550, 2620, 3100, 3275, 3875, 4061, 6550, 7750, 8122, 13100, 15500, 16244, 16375, 20305, 32750, 40610, 65500, 81220, 101525, 203050, 406100, 507625, 1015250, 2030500]

約数ペア:

[(1, 2030500), (2, 1015250), (4, 507625), (5, 406100), (10, 203050), (20, 101525), (25, 81220), (31, 65500), (50, 40610), (62, 32750), (100, 20305), (124, 16375), (125, 16244), (131, 15500), (155, 13100), (250, 8122), (262, 7750), (310, 6550), (500, 4061), (524, 3875), (620, 3275), (655, 3100), (775, 2620), (1310, 1550)]