2012020900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{649039}}^1$

素因数の和:649084

約数の個数: 36

約数和(自身を含む): 4506933760

約数和(自身を除く): 2494912860

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 649039, 1298078, 2596156, 3245195, 6490390, 12980780, 16225975, 20120209, 32451950, 40240418, 64903900, 80480836, 100601045, 201202090, 402404180, 503005225, 1006010450, 2012020900]

約数ペア:

[(1, 2012020900), (2, 1006010450), (4, 503005225), (5, 402404180), (10, 201202090), (20, 100601045), (25, 80480836), (31, 64903900), (50, 40240418), (62, 32451950), (100, 20120209), (124, 16225975), (155, 12980780), (310, 6490390), (620, 3245195), (775, 2596156), (1550, 1298078), (3100, 649039)]