13320580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{563}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 34679232

約数和(自身を除く): 21358652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 563, 676, 845, 910, 1126, 1183, 1690, 1820, 2252, 2366, 2815, 3380, 3941, 4732, 5630, 5915, 7319, 7882, 11260, 11830, 14638, 15764, 19705, 23660, 29276, 36595, 39410, 51233, 73190, 78820, 95147, 102466, 146380, 190294, 204932, 256165, 380588, 475735, 512330, 666029, 951470, 1024660, 1332058, 1902940, 2664116, 3330145, 6660290, 13320580]

約数ペア:

[(1, 13320580), (2, 6660290), (4, 3330145), (5, 2664116), (7, 1902940), (10, 1332058), (13, 1024660), (14, 951470), (20, 666029), (26, 512330), (28, 475735), (35, 380588), (52, 256165), (65, 204932), (70, 190294), (91, 146380), (130, 102466), (140, 95147), (169, 78820), (182, 73190), (260, 51233), (338, 39410), (364, 36595), (455, 29276), (563, 23660), (676, 19705), (845, 15764), (910, 14638), (1126, 11830), (1183, 11260), (1690, 7882), (1820, 7319), (2252, 5915), (2366, 5630), (2815, 4732), (3380, 3941)]