19741036660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1\times {\mathrm{8719}}^1$

素因数の和:10240

約数の個数: 48

約数和(自身を含む): 42015052800

約数和(自身を除く): 22274016140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1433, 1580, 2866, 5732, 7165, 8719, 14330, 17438, 28660, 34876, 43595, 87190, 113207, 174380, 226414, 452828, 566035, 688801, 1132070, 1377602, 2264140, 2755204, 3444005, 6888010, 12494327, 13776020, 24988654, 49977308, 62471635, 124943270, 249886540, 987051833, 1974103666, 3948207332, 4935259165, 9870518330, 19741036660]

約数ペア:

[(1, 19741036660), (2, 9870518330), (4, 4935259165), (5, 3948207332), (10, 1974103666), (20, 987051833), (79, 249886540), (158, 124943270), (316, 62471635), (395, 49977308), (790, 24988654), (1433, 13776020), (1580, 12494327), (2866, 6888010), (5732, 3444005), (7165, 2755204), (8719, 2264140), (14330, 1377602), (17438, 1132070), (28660, 688801), (34876, 566035), (43595, 452828), (87190, 226414), (113207, 174380)]