16405760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1831}}^1$

素因数の和:1859

約数の個数: 72

約数和(自身を含む): 44935296

約数和(自身を除く): 28529536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 1831, 2240, 3662, 4480, 7324, 8960, 9155, 12817, 14648, 18310, 25634, 29296, 36620, 51268, 58592, 64085, 73240, 102536, 117184, 128170, 146480, 205072, 234368, 256340, 292960, 410144, 468736, 512680, 585920, 820288, 1025360, 1171840, 1640576, 2050720, 2343680, 3281152, 4101440, 8202880, 16405760]

約数ペア:

[(1, 16405760), (2, 8202880), (4, 4101440), (5, 3281152), (7, 2343680), (8, 2050720), (10, 1640576), (14, 1171840), (16, 1025360), (20, 820288), (28, 585920), (32, 512680), (35, 468736), (40, 410144), (56, 292960), (64, 256340), (70, 234368), (80, 205072), (112, 146480), (128, 128170), (140, 117184), (160, 102536), (224, 73240), (256, 64085), (280, 58592), (320, 51268), (448, 36620), (560, 29296), (640, 25634), (896, 18310), (1120, 14648), (1280, 12817), (1792, 9155), (1831, 8960), (2240, 7324), (3662, 4480)]