1330487500

素因数分解:

$2^2\times 5^5\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 2932593552

約数和(自身を除く): 1602106052

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 163, 250, 326, 500, 625, 652, 653, 815, 1250, 1306, 1630, 2500, 2612, 3125, 3260, 3265, 4075, 6250, 6530, 8150, 12500, 13060, 16300, 16325, 20375, 32650, 40750, 65300, 81500, 81625, 101875, 106439, 163250, 203750, 212878, 326500, 407500, 408125, 425756, 509375, 532195, 816250, 1018750, 1064390, 1632500, 2037500, 2040625, 2128780, 2660975, 4081250, 5321950, 8162500, 10643900, 13304875, 26609750, 53219500, 66524375, 133048750, 266097500, 332621875, 665243750, 1330487500]

約数ペア:

[(1, 1330487500), (2, 665243750), (4, 332621875), (5, 266097500), (10, 133048750), (20, 66524375), (25, 53219500), (50, 26609750), (100, 13304875), (125, 10643900), (163, 8162500), (250, 5321950), (326, 4081250), (500, 2660975), (625, 2128780), (652, 2040625), (653, 2037500), (815, 1632500), (1250, 1064390), (1306, 1018750), (1630, 816250), (2500, 532195), (2612, 509375), (3125, 425756), (3260, 408125), (3265, 407500), (4075, 326500), (6250, 212878), (6530, 203750), (8150, 163250), (12500, 106439), (13060, 101875), (16300, 81625), (16325, 81500), (20375, 65300), (32650, 40750)]