51005900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 122335920

約数和(自身を除く): 71330020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 275, 356, 445, 521, 550, 890, 979, 1042, 1100, 1780, 1958, 2084, 2225, 2605, 3916, 4450, 4895, 5210, 5731, 8900, 9790, 10420, 11462, 13025, 19580, 22924, 24475, 26050, 28655, 46369, 48950, 52100, 57310, 92738, 97900, 114620, 143275, 185476, 231845, 286550, 463690, 510059, 573100, 927380, 1020118, 1159225, 2040236, 2318450, 2550295, 4636900, 5100590, 10201180, 12751475, 25502950, 51005900]

約数ペア:

[(1, 51005900), (2, 25502950), (4, 12751475), (5, 10201180), (10, 5100590), (11, 4636900), (20, 2550295), (22, 2318450), (25, 2040236), (44, 1159225), (50, 1020118), (55, 927380), (89, 573100), (100, 510059), (110, 463690), (178, 286550), (220, 231845), (275, 185476), (356, 143275), (445, 114620), (521, 97900), (550, 92738), (890, 57310), (979, 52100), (1042, 48950), (1100, 46369), (1780, 28655), (1958, 26050), (2084, 24475), (2225, 22924), (2605, 19580), (3916, 13025), (4450, 11462), (4895, 10420), (5210, 9790), (5731, 8900)]