40498640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5563}}^1$

素因数の和:5596

約数の個数: 80

約数和(自身を含む): 115909248

約数和(自身を除く): 75410608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5563, 7280, 11126, 22252, 27815, 38941, 44504, 55630, 72319, 77882, 89008, 111260, 144638, 155764, 194705, 222520, 289276, 311528, 361595, 389410, 445040, 506233, 578552, 623056, 723190, 778820, 1012466, 1157104, 1446380, 1557640, 2024932, 2531165, 2892760, 3115280, 4049864, 5062330, 5785520, 8099728, 10124660, 20249320, 40498640]

約数ペア:

[(1, 40498640), (2, 20249320), (4, 10124660), (5, 8099728), (7, 5785520), (8, 5062330), (10, 4049864), (13, 3115280), (14, 2892760), (16, 2531165), (20, 2024932), (26, 1557640), (28, 1446380), (35, 1157104), (40, 1012466), (52, 778820), (56, 723190), (65, 623056), (70, 578552), (80, 506233), (91, 445040), (104, 389410), (112, 361595), (130, 311528), (140, 289276), (182, 222520), (208, 194705), (260, 155764), (280, 144638), (364, 111260), (455, 89008), (520, 77882), (560, 72319), (728, 55630), (910, 44504), (1040, 38941), (1456, 27815), (1820, 22252), (3640, 11126), (5563, 7280)]