72926840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{260453}}^1$

素因数の和:260471

約数の個数: 32

約数和(自身を含む): 187526880

約数和(自身を除く): 114600040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 260453, 520906, 1041812, 1302265, 1823171, 2083624, 2604530, 3646342, 5209060, 7292684, 9115855, 10418120, 14585368, 18231710, 36463420, 72926840]

約数ペア:

[(1, 72926840), (2, 36463420), (4, 18231710), (5, 14585368), (7, 10418120), (8, 9115855), (10, 7292684), (14, 5209060), (20, 3646342), (28, 2604530), (35, 2083624), (40, 1823171), (56, 1302265), (70, 1041812), (140, 520906), (280, 260453)]