804366940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{39161}}^1$

素因数の和:39262

約数の個数: 48

約数和(自身を含む): 1842180480

約数和(自身を除く): 1037813540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 39161, 78322, 156644, 195805, 391610, 509093, 783220, 1018186, 2036372, 2545465, 3093719, 5090930, 6187438, 10181860, 12374876, 15468595, 30937190, 40218347, 61874380, 80436694, 160873388, 201091735, 402183470, 804366940]

約数ペア:

[(1, 804366940), (2, 402183470), (4, 201091735), (5, 160873388), (10, 80436694), (13, 61874380), (20, 40218347), (26, 30937190), (52, 15468595), (65, 12374876), (79, 10181860), (130, 6187438), (158, 5090930), (260, 3093719), (316, 2545465), (395, 2036372), (790, 1018186), (1027, 783220), (1580, 509093), (2054, 391610), (4108, 195805), (5135, 156644), (10270, 78322), (20540, 39161)]