81011200

素因数分解:

$2^9\times 5^2\times {\mathrm{6329}}^1$

素因数の和:6357

約数の個数: 60

約数和(自身を含む): 200743290

約数和(自身を除く): 119732090

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6329, 6400, 12658, 12800, 25316, 31645, 50632, 63290, 101264, 126580, 158225, 202528, 253160, 316450, 405056, 506320, 632900, 810112, 1012640, 1265800, 1620224, 2025280, 2531600, 3240448, 4050560, 5063200, 8101120, 10126400, 16202240, 20252800, 40505600, 81011200]

約数ペア:

[(1, 81011200), (2, 40505600), (4, 20252800), (5, 16202240), (8, 10126400), (10, 8101120), (16, 5063200), (20, 4050560), (25, 3240448), (32, 2531600), (40, 2025280), (50, 1620224), (64, 1265800), (80, 1012640), (100, 810112), (128, 632900), (160, 506320), (200, 405056), (256, 316450), (320, 253160), (400, 202528), (512, 158225), (640, 126580), (800, 101264), (1280, 63290), (1600, 50632), (2560, 31645), (3200, 25316), (6329, 12800), (6400, 12658)]