2880785000

素因数分解:

$2^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{13399}}^1$

素因数の和:13468

約数の個数: 80

約数和(自身を含む): 6907164000

約数和(自身を除く): 4026379000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 625, 860, 1000, 1075, 1250, 1720, 2150, 2500, 4300, 5000, 5375, 8600, 10750, 13399, 21500, 26798, 26875, 43000, 53596, 53750, 66995, 107192, 107500, 133990, 215000, 267980, 334975, 535960, 576157, 669950, 1152314, 1339900, 1674875, 2304628, 2679800, 2880785, 3349750, 4609256, 5761570, 6699500, 8374375, 11523140, 13399000, 14403925, 16748750, 23046280, 28807850, 33497500, 57615700, 66995000, 72019625, 115231400, 144039250, 288078500, 360098125, 576157000, 720196250, 1440392500, 2880785000]

約数ペア:

[(1, 2880785000), (2, 1440392500), (4, 720196250), (5, 576157000), (8, 360098125), (10, 288078500), (20, 144039250), (25, 115231400), (40, 72019625), (43, 66995000), (50, 57615700), (86, 33497500), (100, 28807850), (125, 23046280), (172, 16748750), (200, 14403925), (215, 13399000), (250, 11523140), (344, 8374375), (430, 6699500), (500, 5761570), (625, 4609256), (860, 3349750), (1000, 2880785), (1075, 2679800), (1250, 2304628), (1720, 1674875), (2150, 1339900), (2500, 1152314), (4300, 669950), (5000, 576157), (5375, 535960), (8600, 334975), (10750, 267980), (13399, 215000), (21500, 133990), (26798, 107500), (26875, 107192), (43000, 66995), (53596, 53750)]