40986400

素因数分解:

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

素因数の和:603

約数の個数: 144

約数和(自身を含む): 123367104

約数和(自身を除く): 82380704

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 325, 350, 364, 400, 416, 455, 520, 560, 563, 650, 700, 728, 800, 910, 1040, 1120, 1126, 1300, 1400, 1456, 1820, 2080, 2252, 2275, 2600, 2800, 2815, 2912, 3640, 3941, 4504, 4550, 5200, 5600, 5630, 7280, 7319, 7882, 9008, 9100, 10400, 11260, 14075, 14560, 14638, 15764, 18016, 18200, 19705, 22520, 28150, 29276, 31528, 36400, 36595, 39410, 45040, 51233, 56300, 58552, 63056, 72800, 73190, 78820, 90080, 98525, 102466, 112600, 117104, 126112, 146380, 157640, 182975, 197050, 204932, 225200, 234208, 256165, 292760, 315280, 365950, 394100, 409864, 450400, 512330, 585520, 630560, 731900, 788200, 819728, 1024660, 1171040, 1280825, 1463800, 1576400, 1639456, 2049320, 2561650, 2927600, 3152800, 4098640, 5123300, 5855200, 8197280, 10246600, 20493200, 40986400]

約数ペア:

[(1, 40986400), (2, 20493200), (4, 10246600), (5, 8197280), (7, 5855200), (8, 5123300), (10, 4098640), (13, 3152800), (14, 2927600), (16, 2561650), (20, 2049320), (25, 1639456), (26, 1576400), (28, 1463800), (32, 1280825), (35, 1171040), (40, 1024660), (50, 819728), (52, 788200), (56, 731900), (65, 630560), (70, 585520), (80, 512330), (91, 450400), (100, 409864), (104, 394100), (112, 365950), (130, 315280), (140, 292760), (160, 256165), (175, 234208), (182, 225200), (200, 204932), (208, 197050), (224, 182975), (260, 157640), (280, 146380), (325, 126112), (350, 117104), (364, 112600), (400, 102466), (416, 98525), (455, 90080), (520, 78820), (560, 73190), (563, 72800), (650, 63056), (700, 58552), (728, 56300), (800, 51233), (910, 45040), (1040, 39410), (1120, 36595), (1126, 36400), (1300, 31528), (1400, 29276), (1456, 28150), (1820, 22520), (2080, 19705), (2252, 18200), (2275, 18016), (2600, 15764), (2800, 14638), (2815, 14560), (2912, 14075), (3640, 11260), (3941, 10400), (4504, 9100), (4550, 9008), (5200, 7882), (5600, 7319), (5630, 7280)]