15508780820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1269131}}^1$

素因数の和:1269200

約数の個数: 48

約数和(自身を含む): 35819981568

約数和(自身を除く): 20311200748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 1269131, 2538262, 5076524, 6345655, 12691310, 16498703, 25382620, 32997406, 59649157, 65994812, 82493515, 119298314, 164987030, 238596628, 298245785, 329974060, 596491570, 775439041, 1192983140, 1550878082, 3101756164, 3877195205, 7754390410, 15508780820]

約数ペア:

[(1, 15508780820), (2, 7754390410), (4, 3877195205), (5, 3101756164), (10, 1550878082), (13, 1192983140), (20, 775439041), (26, 596491570), (47, 329974060), (52, 298245785), (65, 238596628), (94, 164987030), (130, 119298314), (188, 82493515), (235, 65994812), (260, 59649157), (470, 32997406), (611, 25382620), (940, 16498703), (1222, 12691310), (2444, 6345655), (3055, 5076524), (6110, 2538262), (12220, 1269131)]