20264000

素因数分解:

$2^6\times 5^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 112

約数和(自身を含む): 53492400

約数和(自身を除く): 33228400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 136, 149, 160, 170, 200, 250, 272, 298, 320, 340, 400, 425, 500, 544, 596, 680, 745, 800, 850, 1000, 1088, 1192, 1360, 1490, 1600, 1700, 2000, 2125, 2384, 2533, 2720, 2980, 3400, 3725, 4000, 4250, 4768, 5066, 5440, 5960, 6800, 7450, 8000, 8500, 9536, 10132, 11920, 12665, 13600, 14900, 17000, 18625, 20264, 23840, 25330, 27200, 29800, 34000, 37250, 40528, 47680, 50660, 59600, 63325, 68000, 74500, 81056, 101320, 119200, 126650, 136000, 149000, 162112, 202640, 238400, 253300, 298000, 316625, 405280, 506600, 596000, 633250, 810560, 1013200, 1192000, 1266500, 2026400, 2533000, 4052800, 5066000, 10132000, 20264000]

約数ペア:

[(1, 20264000), (2, 10132000), (4, 5066000), (5, 4052800), (8, 2533000), (10, 2026400), (16, 1266500), (17, 1192000), (20, 1013200), (25, 810560), (32, 633250), (34, 596000), (40, 506600), (50, 405280), (64, 316625), (68, 298000), (80, 253300), (85, 238400), (100, 202640), (125, 162112), (136, 149000), (149, 136000), (160, 126650), (170, 119200), (200, 101320), (250, 81056), (272, 74500), (298, 68000), (320, 63325), (340, 59600), (400, 50660), (425, 47680), (500, 40528), (544, 37250), (596, 34000), (680, 29800), (745, 27200), (800, 25330), (850, 23840), (1000, 20264), (1088, 18625), (1192, 17000), (1360, 14900), (1490, 13600), (1600, 12665), (1700, 11920), (2000, 10132), (2125, 9536), (2384, 8500), (2533, 8000), (2720, 7450), (2980, 6800), (3400, 5960), (3725, 5440), (4000, 5066), (4250, 4768)]