16605680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2314

約数の個数: 80

約数和(自身を含む): 47538624

約数和(自身を除く): 30932944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2281, 3640, 4562, 7280, 9124, 11405, 15967, 18248, 22810, 29653, 31934, 36496, 45620, 59306, 63868, 79835, 91240, 118612, 127736, 148265, 159670, 182480, 207571, 237224, 255472, 296530, 319340, 415142, 474448, 593060, 638680, 830284, 1037855, 1186120, 1277360, 1660568, 2075710, 2372240, 3321136, 4151420, 8302840, 16605680]

約数ペア:

[(1, 16605680), (2, 8302840), (4, 4151420), (5, 3321136), (7, 2372240), (8, 2075710), (10, 1660568), (13, 1277360), (14, 1186120), (16, 1037855), (20, 830284), (26, 638680), (28, 593060), (35, 474448), (40, 415142), (52, 319340), (56, 296530), (65, 255472), (70, 237224), (80, 207571), (91, 182480), (104, 159670), (112, 148265), (130, 127736), (140, 118612), (182, 91240), (208, 79835), (260, 63868), (280, 59306), (364, 45620), (455, 36496), (520, 31934), (560, 29653), (728, 22810), (910, 18248), (1040, 15967), (1456, 11405), (1820, 9124), (2281, 7280), (3640, 4562)]