66275875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 87609600

約数和(自身を除く): 21333725

約数列:

[1, 5, 25, 29, 47, 125, 145, 235, 389, 725, 1175, 1363, 1945, 3625, 5875, 6815, 9725, 11281, 18283, 34075, 48625, 56405, 91415, 170375, 282025, 457075, 530207, 1410125, 2285375, 2651035, 13255175, 66275875]

約数ペア:

[(1, 66275875), (5, 13255175), (25, 2651035), (29, 2285375), (47, 1410125), (125, 530207), (145, 457075), (235, 282025), (389, 170375), (725, 91415), (1175, 56405), (1363, 48625), (1945, 34075), (3625, 18283), (5875, 11281), (6815, 9725)]