64070000

素因数分解:

$2^4\times 5^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 100

約数和(自身を含む): 159792600

約数和(自身を除く): 95722600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 149, 172, 200, 215, 250, 298, 344, 400, 430, 500, 596, 625, 688, 745, 860, 1000, 1075, 1192, 1250, 1490, 1720, 2000, 2150, 2384, 2500, 2980, 3440, 3725, 4300, 5000, 5375, 5960, 6407, 7450, 8600, 10000, 10750, 11920, 12814, 14900, 17200, 18625, 21500, 25628, 26875, 29800, 32035, 37250, 43000, 51256, 53750, 59600, 64070, 74500, 86000, 93125, 102512, 107500, 128140, 149000, 160175, 186250, 215000, 256280, 298000, 320350, 372500, 430000, 512560, 640700, 745000, 800875, 1281400, 1490000, 1601750, 2562800, 3203500, 4004375, 6407000, 8008750, 12814000, 16017500, 32035000, 64070000]

約数ペア:

[(1, 64070000), (2, 32035000), (4, 16017500), (5, 12814000), (8, 8008750), (10, 6407000), (16, 4004375), (20, 3203500), (25, 2562800), (40, 1601750), (43, 1490000), (50, 1281400), (80, 800875), (86, 745000), (100, 640700), (125, 512560), (149, 430000), (172, 372500), (200, 320350), (215, 298000), (250, 256280), (298, 215000), (344, 186250), (400, 160175), (430, 149000), (500, 128140), (596, 107500), (625, 102512), (688, 93125), (745, 86000), (860, 74500), (1000, 64070), (1075, 59600), (1192, 53750), (1250, 51256), (1490, 43000), (1720, 37250), (2000, 32035), (2150, 29800), (2384, 26875), (2500, 25628), (2980, 21500), (3440, 18625), (3725, 17200), (4300, 14900), (5000, 12814), (5375, 11920), (5960, 10750), (6407, 10000), (7450, 8600)]