164115760

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4673}}^1$

素因数の和:5125

約数の個数: 40

約数和(自身を含む): 382520160

約数和(自身を除く): 218404400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 3512, 4390, 4673, 7024, 8780, 9346, 17560, 18692, 23365, 35120, 37384, 46730, 74768, 93460, 186920, 373840, 2051447, 4102894, 8205788, 10257235, 16411576, 20514470, 32823152, 41028940, 82057880, 164115760]

約数ペア:

[(1, 164115760), (2, 82057880), (4, 41028940), (5, 32823152), (8, 20514470), (10, 16411576), (16, 10257235), (20, 8205788), (40, 4102894), (80, 2051447), (439, 373840), (878, 186920), (1756, 93460), (2195, 74768), (3512, 46730), (4390, 37384), (4673, 35120), (7024, 23365), (8780, 18692), (9346, 17560)]