77322640

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3049}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 180401400

約数和(自身を除く): 103078760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3049, 3170, 5072, 6098, 6340, 12196, 12680, 15245, 24392, 25360, 30490, 48784, 60980, 121960, 243920, 966533, 1933066, 3866132, 4832665, 7732264, 9665330, 15464528, 19330660, 38661320, 77322640]

約数ペア:

[(1, 77322640), (2, 38661320), (4, 19330660), (5, 15464528), (8, 9665330), (10, 7732264), (16, 4832665), (20, 3866132), (40, 1933066), (80, 966533), (317, 243920), (634, 121960), (1268, 60980), (1585, 48784), (2536, 30490), (3049, 25360), (3170, 24392), (5072, 15245), (6098, 12680), (6340, 12196)]