133282480

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21089}}^1$

素因数の和:21181

約数の個数: 40

約数和(自身を含む): 313819200

約数和(自身を除く): 180536720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 21089, 42178, 84356, 105445, 168712, 210890, 337424, 421780, 843560, 1666031, 1687120, 3332062, 6664124, 8330155, 13328248, 16660310, 26656496, 33320620, 66641240, 133282480]

約数ペア:

[(1, 133282480), (2, 66641240), (4, 33320620), (5, 26656496), (8, 16660310), (10, 13328248), (16, 8330155), (20, 6664124), (40, 3332062), (79, 1687120), (80, 1666031), (158, 843560), (316, 421780), (395, 337424), (632, 210890), (790, 168712), (1264, 105445), (1580, 84356), (3160, 42178), (6320, 21089)]