79537640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21851}}^1$

素因数の和:21882

約数の個数: 64

約数和(自身を含む): 220268160

約数和(自身を除く): 140730520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 21851, 43702, 87404, 109255, 152957, 174808, 218510, 284063, 305914, 437020, 568126, 611828, 764785, 874040, 1136252, 1223656, 1420315, 1529570, 1988441, 2272504, 2840630, 3059140, 3976882, 5681260, 6118280, 7953764, 9942205, 11362520, 15907528, 19884410, 39768820, 79537640]

約数ペア:

[(1, 79537640), (2, 39768820), (4, 19884410), (5, 15907528), (7, 11362520), (8, 9942205), (10, 7953764), (13, 6118280), (14, 5681260), (20, 3976882), (26, 3059140), (28, 2840630), (35, 2272504), (40, 1988441), (52, 1529570), (56, 1420315), (65, 1223656), (70, 1136252), (91, 874040), (104, 764785), (130, 611828), (140, 568126), (182, 437020), (260, 305914), (280, 284063), (364, 218510), (455, 174808), (520, 152957), (728, 109255), (910, 87404), (1820, 43702), (3640, 21851)]