12875720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1$

素因数の和:2286

約数の個数: 64

約数和(自身を含む): 34050240

約数和(自身を除く): 21174520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2251, 2860, 4502, 5720, 9004, 11255, 18008, 22510, 24761, 29263, 45020, 49522, 58526, 90040, 99044, 117052, 123805, 146315, 198088, 234104, 247610, 292630, 321893, 495220, 585260, 643786, 990440, 1170520, 1287572, 1609465, 2575144, 3218930, 6437860, 12875720]

約数ペア:

[(1, 12875720), (2, 6437860), (4, 3218930), (5, 2575144), (8, 1609465), (10, 1287572), (11, 1170520), (13, 990440), (20, 643786), (22, 585260), (26, 495220), (40, 321893), (44, 292630), (52, 247610), (55, 234104), (65, 198088), (88, 146315), (104, 123805), (110, 117052), (130, 99044), (143, 90040), (220, 58526), (260, 49522), (286, 45020), (440, 29263), (520, 24761), (572, 22510), (715, 18008), (1144, 11255), (1430, 9004), (2251, 5720), (2860, 4502)]