13521920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 88

約数和(自身を含む): 34389600

約数和(自身を除く): 20867680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 139, 152, 160, 190, 256, 278, 304, 320, 380, 512, 556, 608, 640, 695, 760, 1024, 1112, 1216, 1280, 1390, 1520, 2224, 2432, 2560, 2641, 2780, 3040, 4448, 4864, 5120, 5282, 5560, 6080, 8896, 9728, 10564, 11120, 12160, 13205, 17792, 19456, 21128, 22240, 24320, 26410, 35584, 42256, 44480, 48640, 52820, 71168, 84512, 88960, 97280, 105640, 142336, 169024, 177920, 211280, 338048, 355840, 422560, 676096, 711680, 845120, 1352192, 1690240, 2704384, 3380480, 6760960, 13521920]

約数ペア:

[(1, 13521920), (2, 6760960), (4, 3380480), (5, 2704384), (8, 1690240), (10, 1352192), (16, 845120), (19, 711680), (20, 676096), (32, 422560), (38, 355840), (40, 338048), (64, 211280), (76, 177920), (80, 169024), (95, 142336), (128, 105640), (139, 97280), (152, 88960), (160, 84512), (190, 71168), (256, 52820), (278, 48640), (304, 44480), (320, 42256), (380, 35584), (512, 26410), (556, 24320), (608, 22240), (640, 21128), (695, 19456), (760, 17792), (1024, 13205), (1112, 12160), (1216, 11120), (1280, 10564), (1390, 9728), (1520, 8896), (2224, 6080), (2432, 5560), (2560, 5282), (2641, 5120), (2780, 4864), (3040, 4448)]