78290420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2371}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 178526208

約数和(自身を除く): 100235788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2371, 2540, 3302, 4742, 6604, 8255, 9484, 11855, 16510, 23710, 30823, 33020, 47420, 61646, 123292, 154115, 301117, 308230, 602234, 616460, 1204468, 1505585, 3011170, 3914521, 6022340, 7829042, 15658084, 19572605, 39145210, 78290420]

約数ペア:

[(1, 78290420), (2, 39145210), (4, 19572605), (5, 15658084), (10, 7829042), (13, 6022340), (20, 3914521), (26, 3011170), (52, 1505585), (65, 1204468), (127, 616460), (130, 602234), (254, 308230), (260, 301117), (508, 154115), (635, 123292), (1270, 61646), (1651, 47420), (2371, 33020), (2540, 30823), (3302, 23710), (4742, 16510), (6604, 11855), (8255, 9484)]