2054997620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:1029

約数の個数: 96

約数和(自身を含む): 4765467168

約数和(自身を除く): 2710469548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 197, 212, 260, 265, 394, 530, 689, 757, 788, 985, 1060, 1378, 1514, 1970, 2561, 2756, 3028, 3445, 3785, 3940, 5122, 6890, 7570, 9841, 10244, 10441, 12805, 13780, 15140, 19682, 20882, 25610, 39364, 40121, 41764, 49205, 51220, 52205, 80242, 98410, 104410, 135733, 149129, 160484, 196820, 200605, 208820, 271466, 298258, 401210, 521573, 542932, 596516, 678665, 745645, 802420, 1043146, 1357330, 1491290, 1938677, 2086292, 2607865, 2714660, 2982580, 3877354, 5215730, 7754708, 7903837, 9693385, 10431460, 15807674, 19386770, 31615348, 38773540, 39519185, 79038370, 102749881, 158076740, 205499762, 410999524, 513749405, 1027498810, 2054997620]

約数ペア:

[(1, 2054997620), (2, 1027498810), (4, 513749405), (5, 410999524), (10, 205499762), (13, 158076740), (20, 102749881), (26, 79038370), (52, 39519185), (53, 38773540), (65, 31615348), (106, 19386770), (130, 15807674), (197, 10431460), (212, 9693385), (260, 7903837), (265, 7754708), (394, 5215730), (530, 3877354), (689, 2982580), (757, 2714660), (788, 2607865), (985, 2086292), (1060, 1938677), (1378, 1491290), (1514, 1357330), (1970, 1043146), (2561, 802420), (2756, 745645), (3028, 678665), (3445, 596516), (3785, 542932), (3940, 521573), (5122, 401210), (6890, 298258), (7570, 271466), (9841, 208820), (10244, 200605), (10441, 196820), (12805, 160484), (13780, 149129), (15140, 135733), (19682, 104410), (20882, 98410), (25610, 80242), (39364, 52205), (40121, 51220), (41764, 49205)]