220185920

素因数分解:

$2^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2879}}^1$

素因数の和:3135

約数の個数: 56

約数和(自身を含む): 526694400

約数和(自身を除く): 306508480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 239, 320, 478, 956, 1195, 1912, 2390, 2879, 3824, 4780, 5758, 7648, 9560, 11516, 14395, 15296, 19120, 23032, 28790, 38240, 46064, 57580, 76480, 92128, 115160, 184256, 230320, 460640, 688081, 921280, 1376162, 2752324, 3440405, 5504648, 6880810, 11009296, 13761620, 22018592, 27523240, 44037184, 55046480, 110092960, 220185920]

約数ペア:

[(1, 220185920), (2, 110092960), (4, 55046480), (5, 44037184), (8, 27523240), (10, 22018592), (16, 13761620), (20, 11009296), (32, 6880810), (40, 5504648), (64, 3440405), (80, 2752324), (160, 1376162), (239, 921280), (320, 688081), (478, 460640), (956, 230320), (1195, 184256), (1912, 115160), (2390, 92128), (2879, 76480), (3824, 57580), (4780, 46064), (5758, 38240), (7648, 28790), (9560, 23032), (11516, 19120), (14395, 15296)]