1670000000

素因数分解:

$2^7\times 5^7\times {\mathrm{167}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 4183583040

約数和(自身を除く): 2513583040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 167, 200, 250, 320, 334, 400, 500, 625, 640, 668, 800, 835, 1000, 1250, 1336, 1600, 1670, 2000, 2500, 2672, 3125, 3200, 3340, 4000, 4175, 5000, 5344, 6250, 6680, 8000, 8350, 10000, 10688, 12500, 13360, 15625, 16000, 16700, 20000, 20875, 21376, 25000, 26720, 31250, 33400, 40000, 41750, 50000, 53440, 62500, 66800, 78125, 80000, 83500, 100000, 104375, 106880, 125000, 133600, 156250, 167000, 200000, 208750, 250000, 267200, 312500, 334000, 400000, 417500, 500000, 521875, 534400, 625000, 668000, 835000, 1000000, 1043750, 1250000, 1336000, 1670000, 2000000, 2087500, 2500000, 2609375, 2672000, 3340000, 4175000, 5000000, 5218750, 6680000, 8350000, 10000000, 10437500, 13046875, 13360000, 16700000, 20875000, 26093750, 33400000, 41750000, 52187500, 66800000, 83500000, 104375000, 167000000, 208750000, 334000000, 417500000, 835000000, 1670000000]

約数ペア:

[(1, 1670000000), (2, 835000000), (4, 417500000), (5, 334000000), (8, 208750000), (10, 167000000), (16, 104375000), (20, 83500000), (25, 66800000), (32, 52187500), (40, 41750000), (50, 33400000), (64, 26093750), (80, 20875000), (100, 16700000), (125, 13360000), (128, 13046875), (160, 10437500), (167, 10000000), (200, 8350000), (250, 6680000), (320, 5218750), (334, 5000000), (400, 4175000), (500, 3340000), (625, 2672000), (640, 2609375), (668, 2500000), (800, 2087500), (835, 2000000), (1000, 1670000), (1250, 1336000), (1336, 1250000), (1600, 1043750), (1670, 1000000), (2000, 835000), (2500, 668000), (2672, 625000), (3125, 534400), (3200, 521875), (3340, 500000), (4000, 417500), (4175, 400000), (5000, 334000), (5344, 312500), (6250, 267200), (6680, 250000), (8000, 208750), (8350, 200000), (10000, 167000), (10688, 156250), (12500, 133600), (13360, 125000), (15625, 106880), (16000, 104375), (16700, 100000), (20000, 83500), (20875, 80000), (21376, 78125), (25000, 66800), (26720, 62500), (31250, 53440), (33400, 50000), (40000, 41750)]