804598720

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18089}}^1$

素因数の和:18245

約数の個数: 56

約数和(自身を含む): 1929841200

約数和(自身を除く): 1125242480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 8896, 11120, 18089, 22240, 36178, 44480, 72356, 90445, 144712, 180890, 289424, 361780, 578848, 723560, 1157696, 1447120, 2514371, 2894240, 5028742, 5788480, 10057484, 12571855, 20114968, 25143710, 40229936, 50287420, 80459872, 100574840, 160919744, 201149680, 402299360, 804598720]

約数ペア:

[(1, 804598720), (2, 402299360), (4, 201149680), (5, 160919744), (8, 100574840), (10, 80459872), (16, 50287420), (20, 40229936), (32, 25143710), (40, 20114968), (64, 12571855), (80, 10057484), (139, 5788480), (160, 5028742), (278, 2894240), (320, 2514371), (556, 1447120), (695, 1157696), (1112, 723560), (1390, 578848), (2224, 361780), (2780, 289424), (4448, 180890), (5560, 144712), (8896, 90445), (11120, 72356), (18089, 44480), (22240, 36178)]