9943000

素因数分解:

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

素因数の和:245

約数の個数: 64

約数和(自身を含む): 23793120

約数和(自身を除く): 13850120

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, 652, 815, 1000, 1220, 1304, 1525, 1630, 2440, 3050, 3260, 4075, 6100, 6520, 7625, 8150, 9943, 12200, 15250, 16300, 19886, 20375, 30500, 32600, 39772, 40750, 49715, 61000, 79544, 81500, 99430, 163000, 198860, 248575, 397720, 497150, 994300, 1242875, 1988600, 2485750, 4971500, 9943000]

約数ペア:

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