1369172740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{20023}}^1$

素因数の和:20308

約数の個数: 48

約数和(自身を含む): 3108365568

約数和(自身を除く): 1739192828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1315, 2630, 3419, 5260, 6838, 13676, 17095, 20023, 34190, 40046, 68380, 80092, 100115, 200230, 260299, 400460, 520598, 1041196, 1301495, 2602990, 5205980, 5266049, 10532098, 21064196, 26330245, 52660490, 68458637, 105320980, 136917274, 273834548, 342293185, 684586370, 1369172740]

約数ペア:

[(1, 1369172740), (2, 684586370), (4, 342293185), (5, 273834548), (10, 136917274), (13, 105320980), (20, 68458637), (26, 52660490), (52, 26330245), (65, 21064196), (130, 10532098), (260, 5266049), (263, 5205980), (526, 2602990), (1052, 1301495), (1315, 1041196), (2630, 520598), (3419, 400460), (5260, 260299), (6838, 200230), (13676, 100115), (17095, 80092), (20023, 68380), (34190, 40046)]