16538480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4219}}^1$

素因数の和:4246

約数の個数: 60

約数和(自身を含む): 44740440

約数和(自身を除く): 28201960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4219, 8438, 16876, 21095, 29533, 33752, 42190, 59066, 67504, 84380, 118132, 147665, 168760, 206731, 236264, 295330, 337520, 413462, 472528, 590660, 826924, 1033655, 1181320, 1653848, 2067310, 2362640, 3307696, 4134620, 8269240, 16538480]

約数ペア:

[(1, 16538480), (2, 8269240), (4, 4134620), (5, 3307696), (7, 2362640), (8, 2067310), (10, 1653848), (14, 1181320), (16, 1033655), (20, 826924), (28, 590660), (35, 472528), (40, 413462), (49, 337520), (56, 295330), (70, 236264), (80, 206731), (98, 168760), (112, 147665), (140, 118132), (196, 84380), (245, 67504), (280, 59066), (392, 42190), (490, 33752), (560, 29533), (784, 21095), (980, 16876), (1960, 8438), (3920, 4219)]