28927600

素因数分解:

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

素因数の和:5594

約数の個数: 60

約数和(自身を含む): 74858056

約数和(自身を除く): 45930456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 5563, 11126, 22252, 27815, 44504, 55630, 72319, 89008, 111260, 139075, 144638, 222520, 278150, 289276, 361595, 445040, 556300, 578552, 723190, 1112600, 1157104, 1446380, 1807975, 2225200, 2892760, 3615950, 5785520, 7231900, 14463800, 28927600]

約数ペア:

[(1, 28927600), (2, 14463800), (4, 7231900), (5, 5785520), (8, 3615950), (10, 2892760), (13, 2225200), (16, 1807975), (20, 1446380), (25, 1157104), (26, 1112600), (40, 723190), (50, 578552), (52, 556300), (65, 445040), (80, 361595), (100, 289276), (104, 278150), (130, 222520), (200, 144638), (208, 139075), (260, 111260), (325, 89008), (400, 72319), (520, 55630), (650, 44504), (1040, 27815), (1300, 22252), (2600, 11126), (5200, 5563)]