16520900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 40872384

約数和(自身を除く): 24351484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 653, 1012, 1100, 1150, 1265, 1306, 2300, 2530, 2612, 3265, 5060, 6325, 6530, 7183, 12650, 13060, 14366, 15019, 16325, 25300, 28732, 30038, 32650, 35915, 60076, 65300, 71830, 75095, 143660, 150190, 165209, 179575, 300380, 330418, 359150, 375475, 660836, 718300, 750950, 826045, 1501900, 1652090, 3304180, 4130225, 8260450, 16520900]

約数ペア:

[(1, 16520900), (2, 8260450), (4, 4130225), (5, 3304180), (10, 1652090), (11, 1501900), (20, 826045), (22, 750950), (23, 718300), (25, 660836), (44, 375475), (46, 359150), (50, 330418), (55, 300380), (92, 179575), (100, 165209), (110, 150190), (115, 143660), (220, 75095), (230, 71830), (253, 65300), (275, 60076), (460, 35915), (506, 32650), (550, 30038), (575, 28732), (653, 25300), (1012, 16325), (1100, 15019), (1150, 14366), (1265, 13060), (1306, 12650), (2300, 7183), (2530, 6530), (2612, 6325), (3265, 5060)]