20162728240

素因数分解:

$2^4\times 5^1\times {\mathrm{36217}}^1\times {\mathrm{6959}}^1$

素因数の和:43189

約数の個数: 40

約数和(自身を含む): 46886374080

約数和(自身を除く): 26723645840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6959, 13918, 27836, 34795, 36217, 55672, 69590, 72434, 111344, 139180, 144868, 181085, 278360, 289736, 362170, 556720, 579472, 724340, 1448680, 2897360, 252034103, 504068206, 1008136412, 1260170515, 2016272824, 2520341030, 4032545648, 5040682060, 10081364120, 20162728240]

約数ペア:

[(1, 20162728240), (2, 10081364120), (4, 5040682060), (5, 4032545648), (8, 2520341030), (10, 2016272824), (16, 1260170515), (20, 1008136412), (40, 504068206), (80, 252034103), (6959, 2897360), (13918, 1448680), (27836, 724340), (34795, 579472), (36217, 556720), (55672, 362170), (69590, 289736), (72434, 278360), (111344, 181085), (139180, 144868)]