520311440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19073}}^1$

素因数の和:19128

約数の個数: 80

約数和(自身を含む): 1362341376

約数和(自身を除く): 842029936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 19073, 27280, 38146, 76292, 95365, 152584, 190730, 209803, 305168, 381460, 419606, 591263, 762920, 839212, 1049015, 1182526, 1525840, 1678424, 2098030, 2365052, 2956315, 3356848, 4196060, 4730104, 5912630, 6503893, 8392120, 9460208, 11825260, 13007786, 16784240, 23650520, 26015572, 32519465, 47301040, 52031144, 65038930, 104062288, 130077860, 260155720, 520311440]

約数ペア:

[(1, 520311440), (2, 260155720), (4, 130077860), (5, 104062288), (8, 65038930), (10, 52031144), (11, 47301040), (16, 32519465), (20, 26015572), (22, 23650520), (31, 16784240), (40, 13007786), (44, 11825260), (55, 9460208), (62, 8392120), (80, 6503893), (88, 5912630), (110, 4730104), (124, 4196060), (155, 3356848), (176, 2956315), (220, 2365052), (248, 2098030), (310, 1678424), (341, 1525840), (440, 1182526), (496, 1049015), (620, 839212), (682, 762920), (880, 591263), (1240, 419606), (1364, 381460), (1705, 305168), (2480, 209803), (2728, 190730), (3410, 152584), (5456, 95365), (6820, 76292), (13640, 38146), (19073, 27280)]