49715000

素因数分解:

$2^3\times 5^4\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 119118120

約数和(自身を除く): 69403120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 163, 200, 244, 250, 305, 326, 488, 500, 610, 625, 652, 815, 1000, 1220, 1250, 1304, 1525, 1630, 2440, 2500, 3050, 3260, 4075, 5000, 6100, 6520, 7625, 8150, 9943, 12200, 15250, 16300, 19886, 20375, 30500, 32600, 38125, 39772, 40750, 49715, 61000, 76250, 79544, 81500, 99430, 101875, 152500, 163000, 198860, 203750, 248575, 305000, 397720, 407500, 497150, 815000, 994300, 1242875, 1988600, 2485750, 4971500, 6214375, 9943000, 12428750, 24857500, 49715000]

約数ペア:

[(1, 49715000), (2, 24857500), (4, 12428750), (5, 9943000), (8, 6214375), (10, 4971500), (20, 2485750), (25, 1988600), (40, 1242875), (50, 994300), (61, 815000), (100, 497150), (122, 407500), (125, 397720), (163, 305000), (200, 248575), (244, 203750), (250, 198860), (305, 163000), (326, 152500), (488, 101875), (500, 99430), (610, 81500), (625, 79544), (652, 76250), (815, 61000), (1000, 49715), (1220, 40750), (1250, 39772), (1304, 38125), (1525, 32600), (1630, 30500), (2440, 20375), (2500, 19886), (3050, 16300), (3260, 15250), (4075, 12200), (5000, 9943), (6100, 8150), (6520, 7625)]