80252800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:864

約数の個数: 96

約数和(自身を含む): 204897600

約数和(自身を除く): 124644800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 800, 809, 992, 1240, 1550, 1600, 1618, 1984, 2480, 3100, 3200, 3236, 3968, 4045, 4960, 6200, 6472, 8090, 9920, 12400, 12944, 16180, 19840, 20225, 24800, 25079, 25888, 32360, 40450, 49600, 50158, 51776, 64720, 80900, 99200, 100316, 103552, 125395, 129440, 161800, 200632, 250790, 258880, 323600, 401264, 501580, 517760, 626975, 647200, 802528, 1003160, 1253950, 1294400, 1605056, 2006320, 2507900, 2588800, 3210112, 4012640, 5015800, 8025280, 10031600, 16050560, 20063200, 40126400, 80252800]

約数ペア:

[(1, 80252800), (2, 40126400), (4, 20063200), (5, 16050560), (8, 10031600), (10, 8025280), (16, 5015800), (20, 4012640), (25, 3210112), (31, 2588800), (32, 2507900), (40, 2006320), (50, 1605056), (62, 1294400), (64, 1253950), (80, 1003160), (100, 802528), (124, 647200), (128, 626975), (155, 517760), (160, 501580), (200, 401264), (248, 323600), (310, 258880), (320, 250790), (400, 200632), (496, 161800), (620, 129440), (640, 125395), (775, 103552), (800, 100316), (809, 99200), (992, 80900), (1240, 64720), (1550, 51776), (1600, 50158), (1618, 49600), (1984, 40450), (2480, 32360), (3100, 25888), (3200, 25079), (3236, 24800), (3968, 20225), (4045, 19840), (4960, 16180), (6200, 12944), (6472, 12400), (8090, 9920)]