2143798280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4122689}}^1$

素因数の和:4122713

約数の個数: 32

約数和(自身を含む): 5194589400

約数和(自身を除く): 3050791120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4122689, 8245378, 16490756, 20613445, 32981512, 41226890, 53594957, 82453780, 107189914, 164907560, 214379828, 267974785, 428759656, 535949570, 1071899140, 2143798280]

約数ペア:

[(1, 2143798280), (2, 1071899140), (4, 535949570), (5, 428759656), (8, 267974785), (10, 214379828), (13, 164907560), (20, 107189914), (26, 82453780), (40, 53594957), (52, 41226890), (65, 32981512), (104, 20613445), (130, 16490756), (260, 8245378), (520, 4122689)]