28186400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3203}}^1$

素因数の和:3234

約数の個数: 72

約数和(自身を含む): 75088944

約数和(自身を除く): 46902544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 3203, 4400, 6406, 8800, 12812, 16015, 25624, 32030, 35233, 51248, 64060, 70466, 80075, 102496, 128120, 140932, 160150, 176165, 256240, 281864, 320300, 352330, 512480, 563728, 640600, 704660, 880825, 1127456, 1281200, 1409320, 1761650, 2562400, 2818640, 3523300, 5637280, 7046600, 14093200, 28186400]

約数ペア:

[(1, 28186400), (2, 14093200), (4, 7046600), (5, 5637280), (8, 3523300), (10, 2818640), (11, 2562400), (16, 1761650), (20, 1409320), (22, 1281200), (25, 1127456), (32, 880825), (40, 704660), (44, 640600), (50, 563728), (55, 512480), (80, 352330), (88, 320300), (100, 281864), (110, 256240), (160, 176165), (176, 160150), (200, 140932), (220, 128120), (275, 102496), (352, 80075), (400, 70466), (440, 64060), (550, 51248), (800, 35233), (880, 32030), (1100, 25624), (1760, 16015), (2200, 12812), (3203, 8800), (4400, 6406)]